欧洲药典8.0 buffer solutions

欧洲药典8.0 buffer solutions
欧洲药典8.0 buffer solutions

4.1.3.Buffer solutions EUROPEAN PHARMACOPOEIA

8.0

Sul?te standard solution (1.5ppm SO 2).5002900.Dissolve sodium metabisulfite R equivalent to 0.152g of Na 2S 2O 5in water R and dilute to 100.0mL with the same solvent.Dilute 5.0mL of this solution to 100.0mL with water R .To 3.0mL of the resulting solution,add 4.0mL of 0.1M sodium hydroxide and dilute to 100.0mL with water R .Thallium standard solution (10ppm Tl).5003000.

Dissolve thallous sulfate R equivalent to 0.1235g of Tl 2SO 4in a 9g/L solution of sodium chloride R and dilute to 1000.0mL with the same solution.Dilute 10.0mL of the solution to 100.0mL with the 9g/L solution of sodium chloride R .Tin liposoluble standard solution (1000ppm Sn).5005000.A tin (metal)organic compound in an oil.

Tin standard solution (5ppm Sn).5003100.Dissolve tin R equivalent to 0.500g of Sn in a mixture of 5mL of water R and 25mL of hydrochloric acid R and dilute to

1000.0mL with water R .Dilute the solution to 100times its

volume with a 2.5per cent V/V solution of hydrochloric acid R immediately before use.Tin standard solution (0.1ppm Sn).5003101.

Immediately before use,dilute tin standard solution (5ppm

Sn)R to 50times its volume with water R .Titanium standard solution (100ppm Ti).5003200.Dissolve 100.0mg of titanium R in 100mL of hydrochloric

acid R diluted to 150mL with water R ,heating if necessary.

Allow to cool and dilute to 1000mL with water R .Vanadium standard solution (1g/L V).5003300.Dissolve in water R ammonium vanadate R equivalent to

0.230g of NH 4VO 3and dilute to 100.0mL with the same

solvent.Zinc standard solution (5mg/mL Zn).5003400.Dissolve 3.15g of zinc oxide R in 15mL of hydrochloric acid R

and dilute to 500.0mL with water R .

Zinc standard solution (100ppm Zn).5003401.Immediately before use,dilute with water R to 10times its volume a solution containing zinc sulfate R equivalent to

0.440g of ZnSO 4,7H 2O and 1mL of acetic acid R in 100.0mL.Zinc standard solution (10ppm Zn).5003402.Immediately before use,dilute zinc standard solution (100ppm Zn)R to 10times its volume with water R .

Zinc standard solution (5ppm Zn).5003403.Immediately before use,dilute zinc standard solution (100ppm Zn)R to 20times its volume with water R .Zirconium standard solution (1g/L Zr).5003500.Dissolve zirconyl nitrate R equivalent to 0.293g of

ZrO(NO 3)2,2H 2O in a mixture of 2volumes of hydrochloric acid R and 8volumes of water R and dilute to 100.0mL with the same mixture of solvents.

01/2014:401034.1.3.BUFFER SOLUTIONS

Buffered acetone solution.4000100.

Dissolve 8.15g of sodium acetate R and 42g of sodium chloride R in water R ,add 68mL of 0.1M hydrochloric acid and 150mL of acetone R and dilute to 500mL with water R .Buffer solution pH 2.0.4000200.

Dissolve 6.57g of potassium chloride R in water R and add 119.0mL of 0.1M hydrochloric acid .Dilute to 1000.0mL with water R .Phosphate buffer solution pH 2.0.4007900.

Dissolve 8.95g of disodium hydrogen phosphate R and 3.40g of potassium dihydrogen phosphate R in water R and dilute to 1000.0mL with the same solvent.If necessary adjust the pH with phosphoric acid R .

Sulfate buffer solution pH 2.0.4008900.

Dissolve 132.1g of ammonium sulfate R in water R and dilute to 500.0mL with the same solvent (Solution A).Carefully and with constant cooling stir 14mL of sulfuric acid R into about 400mL of water R ;allow to cool and dilute to 500.0mL with water R (Solution B).Mix equal volumes of solutions A and B.Adjust the pH if necessary.

Buffer solution pH 2.2.4010500.

Mix 6.7mL of phosphoric acid R with 55.0mL of a 40g/L

solution of sodium hydroxide R and dilute to 1000.0mL with water R .Buffer solution pH 2.5.4000300.Dissolve 100g of potassium dihydrogen phosphate R in 800mL of water R ;adjust to pH 2.5with hydrochloric acid R and

dilute to 1000.0mL with water R .

Buffer solution pH 2.5R1.4000400.To 4.9g of dilute phosphoric acid R add 250mL of water R .

Adjust the pH with dilute sodium hydroxide solution R and

dilute to 500.0mL with water R .0.2M Phosphate buffer solution pH 2.5.4014100.Dissolve 27.2g of potassium dihydrogen phosphate R in about

900mL of water R ,adjust to pH 2.5with phosphoric acid R

and dilute to 1.0L with water R .Phosphate buffer solution pH 2.8.4010600.Dissolve 7.8g of sodium dihydrogen phosphate R in 900mL of

water R ,adjust to pH 2.8with phosphoric acid R and dilute to

1000mL with the same solvent.Buffer solution pH 3.0.4008000.Dissolve 21.0g of citric acid R in 200mL of 1M sodium

hydroxide and dilute to 1000mL with water R .Dilute 40.3mL of this solution to 100.0mL with 0.1M hydrochloric acid .0.25M Citrate buffer solution pH 3.0.4012600.

Dissolve 5.3g of citric acid R in 80mL of water R .Adjust the

pH with 1M sodium hydroxide and dilute to 100.0mL with water R .0.1M Phosphate buffer solution pH 3.0.4011500.

Dissolve 12.0g of anhydrous sodium dihydrogen phosphate R in water R ,adjust the pH with dilute phosphoric acid R1and dilute to 1000mL with water R .Phosphate buffer solution pH 3.0.4000500.

Mix 0.7mL of phosphoric acid R with 100mL of water R .Dilute to 900mL with the same solvent.Adjust to pH 3.0with strong sodium hydroxide solution R and dilute to 1000mL with water R .

Phosphate buffer solution pH 3.0R1.4010000.

Dissolve 3.40g of potassium dihydrogen phosphate R in

900mL of water R .Adjust to pH 3.0with phosphoric acid R and dilute to 1000.0mL with water R .

Phosphate buffer solution pH 3.2.4008100.

To 900mL of a 4g/L solution of sodium dihydrogen

phosphate R ,add 100mL of a 2.5g/L solution of phosphoric acid R .Adjust the pH if necessary.

Phosphate buffer solution pH 3.2R1.4008500.

Adjust a 35.8g/L solution of disodium hydrogen phosphate R to pH 3.2with dilute phosphoric acid R .Dilute 100.0mL of the solution to 2000.0mL with water R .

EUROPEAN PHARMACOPOEIA 8.0 4.1.3.Buffer

solutions

Buffer solution pH 3.5.4000600.

Dissolve 25.0g of ammonium acetate R in 25mL of water R and add 38.0mL of hydrochloric acid R1.Adjust the pH if necessary with dilute hydrochloric acid R or dilute ammonia R1.Dilute to 100.0mL with water R .

Phosphate buffer solution pH 3.5.4000700.

Dissolve 68.0g of potassium dihydrogen phosphate R in water R and dilute to 1000.0mL with the same solvent.Adjust

the pH with phosphoric acid R .

Buffer solution pH 3.6.4000800.To 250.0mL of 0.2M potassium hydrogen phthalate R add

11.94mL of 0.2M hydrochloric acid .Dilute to 1000.0mL

with water R .Buffer solution pH 3.7.4000900.

To 15.0mL of acetic acid R add 60mL of ethanol (96per

cent)R and 20mL of water R .Adjust to pH 3.7by the addition of ammonia R .Dilute to 100.0mL with water R .

Buffered copper sulfate solution pH 4.0.4001000.

Dissolve 0.25g of copper sulfate R and 4.5g of ammonium acetate R in dilute acetic acid R and dilute to 100.0mL with the same solvent.

0.1M Sodium acetate buffer solution pH 4.0.4013800.Dissolve 822mg of sodium acetate R in 100mL of water R (solution A).Dilute 1.44mL of glacial acetic acid R in 250mL of water R (solution B).Titrate 100mL of solution B using about 20mL of solution A.

Acetate buffer solution pH 4.4.4001100.

Dissolve 136g of sodium acetate R and 77g of ammonium acetate R in water R and dilute to 1000.0mL with the same solvent;add 250.0mL of glacial acetic acid R and mix.Phthalate buffer solution pH 4.4.4001200.

Dissolve 2.042g of potassium hydrogen phthalate R in 50mL of water R ,add 7.5mL of 0.2M sodium hydroxide and dilute to 200.0mL with water R .

Acetate buffer solution pH 4.5.4012500.

Dissolve 77.1g of ammonium acetate R in water R .Add 70mL of glacial acetic acid R and dilute to 1000.0mL with water R .

0.5M Ammonium acetate buffer solution pH 4.5.4014200.

Mix 14.3mL of glacial acetic acid R and 470mL of water R

and adjust to pH 4.5with concentrated ammonia R .Dilute to 500.0mL with water R .

0.05M Phosphate buffer solution pH 4.5.4009000.Dissolve 6.80g of potassium dihydrogen phosphate R in

1000.0mL of water R .The pH of the solution is 4.5.

Sodium acetate buffer solution pH 4.5.4010100.Dissolve 63g of anhydrous sodium acetate R in water R ,

add 90mL acetic acid R and adjust to pH 4.5,and dilute to

1000mL with water R .

Acetate buffer solution pH 4.6.4001400.

Dissolve 5.4g of sodium acetate R in 50mL of water R ,add

2.4g of glacial acetic acid R and dilute to 100.0mL with

water R .Adjust the pH if necessary.

Succinate buffer solution pH 4.6.4001500.

Disssolve 11.8g of succinic acid R in a mixture of 600mL of

water R and 82mL of 1M sodium hydroxide and dilute to

1000.0mL with water R .

Acetate buffer solution pH 4.7.4001600.Dissolve 136.1g of sodium acetate R in 500mL of water R .Mix 250mL of this solution with 250mL of dilute acetic acid R .Shake twice with a freshly prepared,?ltered,0.1g/L solution of dithizone R in chloroform R .Shake with carbon tetrachloride R until the extract is colourless.Filter the aqueous layer to remove traces of carbon tetrachloride.

Acetate buffer solution pH 4.7R1.4013600.

Dissolve 136.1g of sodium acetate R in 500mL of water R .Mix 250mL of this solution with 250mL of dilute acetic acid R .

Acetate buffer solution pH 5.0.4009100.To 120mL of a 6g/L solution of glacial acetic acid R add 100mL of 0.1M potassium hydroxide and about 250mL of

water R .Mix.Adjust the pH to 5.0with a 6g/L solution of

acetic acid R or with 0.1M potassium hydroxide and dilute to 1000.0mL with water R .Citrate buffer solution pH 5.0.4010700.Prepare a solution containing 20.1g/L of citric acid R and 8.0g/L of sodium hydroxide R .Adjust the pH with dilute hydrochloric acid R .

0.2M Deuterated sodium phosphate buffer solution pH 5.0.4013900.

Dissolve 2.76g of sodium dihydrogen phosphate monohydrate R in 90mL of deuterium oxide R ,adjust the pH with a deuterated solution of phosphoric acid R or a deuterated 1M solution of sodium hydroxide R ,dilute to 100mL with deuterium oxide R and mix.

Phosphate buffer solution pH 5.0.4011300.

Dissolve 2.72g of potassium dihydrogen phosphate R in 800mL of water R .Adjust the pH with 1M potassium hydroxide and dilute to 1000mL with water R .

Buffer solution pH 5.2.4001700.

Dissolve 1.02g of potassium hydrogen phthalate R in 30.0mL of 0.1M sodium hydroxide .Dilute to 100.0mL with water R .0.067M Phosphate buffer solution pH 5.4.4012000.

Mix appropriate volumes of a 23.99g/L solution of disodium hydrogen phosphate R with a 9.12g/L solution of sodium dihydrogen phosphate monohydrate R to obtain pH 5.4.

Acetate-edetate buffer solution pH 5.5.4001900.Dissolve 250g of ammonium acetate R and 15g sodium

edetate R in 400mL of water R and add 125mL of glacial acetic acid R .

Buffer solution pH 5.5.4001800.Dissolve 54.4g of sodium acetate R in 50mL of water R ,

heating to 35°C if necessary.After cooling,slowly add 10mL of anhydrous acetic acid R .Shake and dilute to 100.0mL with

water R .Phosphate buffer solution pH 5.5.4002000.Dissolve 13.61g of potassium dihydrogen phosphate R in

water R and dilute to 1000.0mL with the same solvent

(solution A).Dissolve 35.81g of disodium hydrogen phosphate R in water R and dilute to 1000.0mL with the same solvent (solution B).Mix 96.4mL of solution A and 3.6mL of solution B.

Phosphate-citrate buffer solution pH 5.5.4008700.Mix 56.85mL of a 28.4g/L solution of anhydrous disodium hydrogen phosphate R and 43.15mL of a 21g/L solution of citric acid R .

Phosphate buffer solution pH 5.6.4011200.Dissolve 0.908g of potassium dihydrogen phosphate R in water R and dilute to 100.0mL with the same solvent (solution A).Dissolve 1.161g of dipotassium hydrogen

phosphate R in water R and dilute to 100.0mL with the same solvent (solution B).Mix 94.4mL of solution A and 5.6mL of solution B.If necessary,adjust to pH 5.6using solution A or solution B.

4.1.3.Buffer solutions EUROPEAN PHARMACOPOEIA

8.0

Phosphate buffer solution pH5.8.4002100.

Dissolve1.19g of disodium hydrogen phosphate dihydrate R and8.25g of potassium dihydrogen phosphate R in water R and dilute to1000.0mL with the same solvent.

Acetate buffer solution pH6.0.4002200.

Dissolve100g of ammonium acetate R in300mL of water R, add4.1mL of glacial acetic acid R,adjust the pH if necessary using ammonia R or acetic acid R and dilute to500.0mL with water R.

Diethylammonium phosphate buffer solution pH6.0. 4002300.

Dilute68mL of phosphoric acid R to500mL with water R. To25mL of this solution add450mL of water R and6mL

of diethylamine R,adjust to pH6±0.05,if necessary,using diethylamine R or phosphoric acid R and dilute to500.0mL with water R.

Phosphate buffer solution pH6.0.4002400.

Mix63.2mL of a71.5g/L solution of disodium hydrogen phosphate R and36.8mL of a21g/L solution of citric acid R. Phosphate buffer solution pH6.0R1.4002500.

Dissolve6.8g of sodium dihydrogen phosphate R in water R and dilute to1000.0mL with water R.Adjust the pH with strong sodium hydroxide solution R.

Phosphate buffer solution pH6.0R2.4002600.

To250.0mL of0.2M potassium dihydrogen phosphate R add 28.5mL of0.2M sodium hydroxide and dilute to1000.0mL with water R.

Phosphate buffer solution pH6.4.4002800.

Dissolve2.5g of disodium hydrogen phosphate R,2.5g of sodium dihydrogen phosphate R and8.2g of sodium chloride R in950mL of water R.Adjust the pH of the solution to6.4with 1M sodium hydroxide or1M hydrochloric acid,if necessary. Dilute to1000.0mL with water R.

0.5M Phthalate buffer solution pH6.4.4009200. Dissolve100g of potassium hydrogen phthalate R in water R and dilute to1000.0mL with the same solvent.Adjust the pH if necessary,using strong sodium hydroxide solution R. Buffer solution pH6.5.4002900.

Dissolve60.5g of disodium hydrogen phosphate R and46g of potassium dihydrogen phosphate R in water R.Add100mL of 0.02M sodium edetate and20mg of mercuric chloride R and dilute to1000.0mL with water R.

Imidazole buffer solution pH6.5.4003000.

Dissolve6.81g of imidazole R,1.23g of magnesium sulfate R and0.73g of calcium sulfate R in752mL of0.1M hydrochloric acid.Adjust the pH if necessary and dilute to1000.0mL with water R.

0.1M phosphate buffer solution pH6.5.4010800. Dissolve13.80g of sodium dihydrogen phosphate monohydrate R in900mL of distilled water R.Adjust the pH using a400g/L solution of sodium hydroxide R.Dilute to 1000mL with distilled water R.

Phosphate buffer solution pH6.5.4012800.

Dissolve2.75g of sodium dihydrogen phosphate R and4.5g of sodium chloride R in500mL of water R.Adjust the pH with phosphate buffer solution pH8.5R.

Buffer solution pH6.6.4003100.

To250.0mL of0.2M potassium dihydrogen phosphate R add 89.0mL of0.2M sodium hydroxide.Dilute to1000.0mL with water R.0.1M Phosphate buffer solution pH6.7.4014300. Dissolve15.6g of sodium dihydrogen phosphate R in water R and dilute to1.0L with the same solvent.Dissolve17.8g of disodium hydrogen phosphate dihydrate R in water R and dilute to1.0L with the same solvent.Mix the solutions,check the pH and if necessary adjust to pH6.7.

Phosphate buffered saline pH6.8.4003200.

Dissolve1.0g of potassium dihydrogen phosphate R,2.0g

of dipotassium hydrogen phosphate R and8.5g of sodium chloride R in900mL of water R,adjust the pH if necessary and dilute to1000.0mL with the same solvent. Phosphate buffer solution pH6.8.4003300.

Mix77.3mL of a71.5g/L solution of disodium hydrogen phosphate R with22.7mL of a21g/L solution of citric acid R. Phosphate buffer solution pH6.8R1.4003400.

To51.0mL of a27.2g/L solution of potassium dihydrogen phosphate R add49.0mL of a71.6g/L solution of disodium hydrogen phosphate R.Adjust the pH if necessary. Storage:at2°C to8°C.

1M tris-hydrochloride buffer solution pH6.8.4009300. Dissolve60.6g of tris(hydroxymethyl)aminomethane R in 400mL of water R.Adjust the pH with hydrochloric acid R and dilute to500.0mL with water R.

Buffer solution pH7.0.4003500.

To1000mL of a solution containing18g/L of disodium hydrogen phosphate R and23g/L of sodium chloride R add suf?cient(about280mL)of a solution containing7.8g/L

of sodium dihydrogen phosphate R and23g/L of sodium chloride R to adjust the pH.Dissolve in the solution suf?cient sodium azide R to give a0.2g/L solution.

Maleate buffer solution pH7.0.4003600.

Dissolve10.0g of sodium chloride R,6.06g of

tris(hydroxymethyl)aminomethane R and4.90g of maleic anhydride R in900mL of water R.Adjust the pH using a 170g/L solution of sodium hydroxide R.Dilute to1000.0mL with water R.

Storage:at2°C to8°C;use within3days.

0.025M Phosphate buffer solution pH7.0.4009400.

Mix1volume of0.063M phosphate buffer solution pH7.0R with1.5volumes of water R.

0.03M Phosphate buffer solution pH7.0.4010300. Dissolve5.2g of dipotassium hydrogen phosphate R in

900mL of water for chromatography R.Adjust the solution to pH7.0±0.1using phosphoric acid R and dilute to1000mL with water for chromatography R.

0.05M Phosphate buffer solution pH7.0.4012400.

Mix34mL of water R and100mL of0.067M phosphate buffer solution pH7.0R.

0.063M Phosphate buffer solution pH7.0.4009500. Dissolve5.18g of anhydrous disodium hydrogen phosphate R and3.65g of sodium dihydrogen phosphate monohydrate R in 950mL of water R and adjust the pH with phosphoric acid R; dilute to1000.0mL with water R.

0.067M Phosphate buffer solution pH7.0.4003800. Dissolve0.908g of potassium dihydrogen phosphate R

in water R and dilute to100.0mL with the same solvent (solution A).Dissolve2.38g of disodium hydrogen phosphate R in water R and dilute to100.0mL with the same solvent (solution B).Mix38.9mL of solution A and61.1mL of solution B.Adjust the pH if necessary.

EUROPEAN PHARMACOPOEIA 8.0 4.1.3.Buffer

solutions

0.1M Phosphate buffer solution pH 7.0.4008200.Dissolve 1.361g of potassium dihydrogen phosphate R in water R and dilute to 100.0mL with the same solvent.

Adjust the pH using a 35g/L solution of disodium hydrogen phosphate R .

Phosphate buffer solution pH 7.0.4003700.

Mix 82.4mL of a 71.5g/L solution of disodium hydrogen phosphate R with 17.6mL of a 21g/L solution of citric acid R .Phosphate buffer solution pH 7.0R1.4003900.

Mix 250.0mL of 0.2M potassium dihydrogen phosphate R and 148.2mL of a 8g/L solution of sodium hydroxide R ,adjust the pH if necessary.Dilute to 1000.0mL with water R .

Phosphate buffer solution pH 7.0R2.4004000.

Mix 50.0mL of a 136g/L solution of potassium dihydrogen

phosphate R with 29.5mL of 1M sodium hydroxide and dilute to 100.0mL with water R .Adjust the pH to 7.0±0.1.Phosphate buffer solution pH 7.0R3.4008600.Dissolve 5g of potassium dihydrogen phosphate R and 11g

of dipotassium hydrogen phosphate R in 900mL of water R .

Adjust to pH 7.0with dilute phosphoric acid R or dilute sodium hydroxide solution R .Dilute to 1000mL with water R and mix.Phosphate buffer solution pH 7.0R4.4010200.

Dissolve 28.4g of anhydrous disodium hydrogen phosphate R and 18.2g of potassium dihydrogen phosphate R in water R and dilute to 500mL with the same solvent.

Phosphate buffer solution pH 7.0R5.4011400.

Dissolve 28.4g of anhydrous disodium hydrogen phosphate R in 800mL of water R .Adjust the pH using a 30per cent m/m solution of phosphoric acid R and dilute to 1000mL with water R .

Tetrabutylammonium buffer solution pH 7.0.4010900.Dissolve 6.16g of ammonium acetate R in a mixture of 15mL of tetrabutylammonium hydroxide solution (400g/L)R and 185mL of water R .Adjust the pH with nitric acid R .Buffered salt solution pH 7.2.4004300.

Dissolve in water R 8.0g of sodium chloride R ,0.2g of potassium chloride R ,0.1g of anhydrous calcium chloride R ,0.1g of magnesium chloride R ,3.18g of disodium hydrogen phosphate R and 0.2g of potassium dihydrogen phosphate R and dilute to 1000.0mL with water R .

Buffer solution pH 7.2.4004100.

To 250.0mL of 0.2M potassium dihydrogen phosphate R add 175.0mL of 0.2M sodium hydroxide .Dilute to 1000.0mL with water R .Adjust the pH if necessary.

Phosphate-albumin buffered saline pH 7.2.4004400.

Dissolve 10.75g of disodium hydrogen phosphate R ,7.6g of sodium chloride R and 10g of bovine albumin R in water R and dilute to 1000.0mL with the same solvent.Immediately before use adjust the pH using dilute sodium hydroxide solution R or dilute phosphoric acid R .

Phosphate-albumin buffered saline pH 7.2R1.4009600.Dissolve 10.75g of disodium hydrogen phosphate R ,7.6g of sodium chloride R and 1g of bovine albumin R in water R and dilute to 1000.0mL with the same solvent.Immediately before use adjust the pH using dilute sodium hydroxide solution R

or dilute phosphoric acid R .

Phosphate buffer solution pH 7.2.4004200.Mix 87.0mL of a 71.5g/L solution of disodium hydrogen

phosphate R with 13.0mL of a 21g/L solution of citric acid R .Imidazole buffer solution pH 7.3.4004500.

Dissolve 3.4g of imidazole R and 5.8g of sodium chloride R in water R ,add 18.6mL of 1M hydrochloric acid and dilute to 1000.0mL with water R .Adjust the pH if necessary.

Barbital buffer solution pH 7.4.4004700.

Mix 50mL of a solution in water R containing 19.44g/L of sodium acetate R and 29.46g/L of barbital sodium R with 50.5mL of 0.1M hydrochloric acid ,add 20mL of an 85g/L of sodium chloride R and dilute to 250mL with water R .Buffer solution pH 7.4.4004600.

Dissolve 0.6g of potassium dihydrogen phosphate R ,6.4g of disodium hydrogen phosphate R and 5.85g of sodium chloride R in water R ,and dilute to 1000.0mL with the same solvent.Adjust the pH if necessary.

Phosphate buffered saline pH 7.4.4005000.Dissolve 2.38g of disodium hydrogen phosphate R ,0.19g of potassium dihydrogen phosphate R and 8.0g of sodium

chloride R in water.Dilute to 1000.0mL with the same solvent.

Adjust the pH if necessary.Phosphate buffer solution pH 7.4.4004800.Add 250.0mL of 0.2M potassium dihydrogen phosphate R to 393.4mL of 0.1M sodium hydroxide .Tris(hydroxymethyl)aminomethane buffer solution pH 7.4.4012100.

Dissolve 30.3g of tris(hydroxymethyl)aminomethane R in approximately 200mL of water R .Add 183mL of 1M hydrochloric acid .Dilute to 500.0mL with water R .Note:the pH is 7.7-7.8at room temperature and 7.4at 37°C.This solution is stable for several months at 4°C.

Tris(hydroxymethyl)aminomethane sodium chloride buffer solution pH 7.4.4004900.

Dissolve 6.08g of tris(hydroxymethyl)aminomethane R ,8.77g of sodium chloride R in 500mL of distilled water R .Add 10.0g of bovine albumin R .Adjust the pH using hydrochloric acid R .Dilute to 1000.0mL with distilled water R .

Tris(hydroxymethyl)aminomethane sodium chloride buffer solution pH 7.4R1.4012200.

Dissolve 0.1g of bovine albumin R in a mixture containing 2mL of tris(hydroxymethyl)aminomethane buffer solution pH 7.4R and 50mL of a 5.84mg/mL solution of sodium chloride R .Dilute to 100.0mL with water R .

Tris-sodium acetate buffer solution pH 7.4.4012900.Dissolve 6.3g of tris(hydroxymethyl)aminomethane R and 4.9g of anhydrous sodium acetate R in 900mL of water R .Adjust to pH 7.4with sulfuric acid R and dilute to 1000mL with water R .

Tris-sodium acetate-sodium chloride buffer solution pH 7.4.4013000.

Dissolve 30.0g of tris(hydroxymethyl)aminomethane R ,14.5g

of anhydrous sodium acetate R and 14.6g of sodium chloride R in 900mL of water R .Add 0.50g of bovine albumin R .Adjust to pH 7.4with sulfuric acid R and dilute to 1000mL with water R .Borate buffer solution pH 7.5.4005200.

Dissolve 2.5g of sodium chloride R ,2.85g of disodium tetraborate R and 10.5g of boric acid R in water R and dilute to 1000.0mL with the same solvent.Adjust the pH if necessary.Storage :at 2°C to 8°C.Buffer (HEPES)solution pH 7.5.4009700.Dissolve 2.38g of 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid R in about 90mL of water R .Adjust the

pH to 7.5with sodium hydroxide solution R .Dilute to 100mL with water R .

4.1.3.Buffer solutions EUROPEAN PHARMACOPOEIA

8.0

0.05M Phosphate buffer solution pH7.5.4014400. Dissolve0.89g of disodium hydrogen phosphate dihydrate R in about80mL of water R.Adjust to pH7.5with an8.5per cent V/V solution of phosphoric acid R and dilute to100.0mL with water R.

0.2M Phosphate buffer solution pH7.5.4005400. Dissolve27.22g of potassium dihydrogen phosphate R in

930mL of water R,adjust to pH7.5with a300g/L solution of potassium hydroxide R and dilute to1000.0mL with water R.

0.33M Phosphate buffer solution pH7.5.4005300. Dissolve119.31g of disodium hydrogen phosphate R in water R and dilute to1000.0mL with the same solvent(solution A). Dissolve45.36g of potassium dihydrogen phosphate R in water R and dilute to1000.0mL with the same solvent (solution B).Mix85mL of solution A and15mL of solution B. Adjust the pH if necessary.

0.05M Tris-hydrochloride buffer solution pH7.5.4005600. Dissolve6.057g of tris(hydroxymethyl)aminomethane R in water R and adjust the pH with hydrochloric acid R.Dilute to 1000.0mL with water R.

1M Tris-hydrochloride buffer solution pH7.5.4014500. Dissolve12.11g of tris(hydroxymethyl)aminomethane R in 90mL of water R,adjust to pH7.5with hydrochloric acid R and dilute to100.0mL with water R.

Tris(hydroxymethyl)aminomethane buffer solution pH7.5. 4005500.

Dissolve7.27g of tris(hydroxymethyl)aminomethane R and 5.27g of sodium chloride R in water R,and adjust the pH if necessary.Dilute to1000.0mL with water R.

Sodium citrate buffer solution pH7.8(0.034M sodium citrate,0.101M sodium chloride).4009800.

Dissolve10.0g of sodium citrate R and5.90g of sodium chloride R in900mL of water R.Adjust the pH by addition of hydrochloric acid R and dilute to1000mL with water R.

0.0015M Borate buffer solution pH8.0.4006000. Dissolve0.572g of disodium tetraborate R and2.94g of calcium chloride R in800mL of water R.Adjust the pH with 1M hydrochloric acid.Dilute to1000.0mL with water R. Buffer solution pH8.0.4005900.

To50.0mL of0.2M potassium dihydrogen phosphate R add 46.8mL of0.2M sodium hydroxide.Dilute to200.0mL with water R.

Buffer solution pH8.0R1.4010400.

Dissolve20g of dipotassium hydrogen phosphate R in900mL of water R.Adjust the pH with phosphoric acid R.Dilute to 1000mL with water R.

0.02M Phosphate buffer solution pH8.0.4006100.

To50.0mL of0.2M potassium dihydrogen phosphate R add 46.8mL of0.2M sodium hydroxide.Dilute to500.0mL with water R.

0.02M Sodium phosphate buffer solution pH8.0.4013700. Dissolve0.31g of sodium dihydrogen phosphate R in70mL of water R and adjust to pH8.0with1M sodium hydroxide,then dilute to100mL with water R.

0.1M Phosphate buffer solution pH8.0.4008400. Dissolve0.523g of potassium dihydrogen phosphate R and 16.73g of dipotassium hydrogen phosphate R in water R and dilute to1000.0mL with the same solvent.

1M Phosphate buffer solution pH8.0.4007800.

Dissolve136.1g of potassium dihydrogen phosphate R in water R,adjust the pH with1M sodium hydroxide.Dilute to 1000.0mL with water R.1M Tris-hydrochloride buffer solution pH8.0.4012700. Dissolve121.1g of tris(hydroxymethyl)aminomethane R and 1.47g of calcium chloride R in900mL of water R.Adjust the pH with hydrochloric acid R and dilute to1000.0mL with water R.

Tris-hydrochloride buffer solution pH8.0.4012300. Dissolve1.21g of tris(hydroxymethyl)aminomethane R and 29.4mg of calcium chloride R in water R.Adjust the pH with 1M hydrochloric acid and dilute to100.0mL with water R. Tris-sodium acetate buffer solution pH8.0.4013100. Dissolve6.3g of tris(hydroxymethyl)aminomethane R and 4.9g of anhydrous sodium acetate R in900mL of water R. Adjust to pH8.0with sulfuric acid R and dilute to1000mL with water R.

Tris-sodium acetate-sodium chloride buffer solution

pH8.0.4013200.

Dissolve30.0g of tris(hydroxymethyl)aminomethane R,14.5g of anhydrous sodium acetate R and14.6g of sodium chloride R in900mL of water R.Add0.50g of bovine albumin R.Adjust to pH8.0with sulfuric acid R and dilute to1000mL with water R.

Tris(hydroxymethyl)aminomethane buffer solution pH8.1. 4006200.

Dissolve0.294g of calcium chloride R in40mL of

tris(hydroxymethyl)aminomethane solution R and adjust the pH with1M hydrochloric acid.Dilute to100.0mL with water R.

Tris-glycine buffer solution pH8.3.4006300.

Dissolve6.0g of tris(hydroxymethyl)aminomethane R and 28.8g of glycine R in water R and dilute to1000.0mL with the same solvent.Dilute1volume to10volumes with water R immediately before use.

Tris-hydrochloride buffer solution pH8.3.4011800. Dissolve9.0g of tris(hydroxymethyl)aminomethane R in2.9L of water R.Adjust the pH with1M hydrochloric acid.Adjust the volume to3L with water R.

0.05M Tris-hydrochloride buffer solution pH9.0.4013500. Dissolve0.605g of tris(hydroxymethyl)aminomethane R in water R.Adjust the pH with1M hydrochloric acid and dilute to100.0mL with water R.

Barbital buffer solution pH8.4.4006400.

Dissolve8.25g of barbital sodium R in water R and dilute to 1000.0mL with the same solvent.

Tris-EDTA BSA buffer solution pH8.4.4006500. Dissolve6.1g of tris(hydroxymethyl)aminomethane R,2.8g of sodium edetate R,10.2g of sodium chloride R and10g

of bovine albumin R in water R,adjust to pH8.4using1M hydrochloric acid and dilute to1000.0mL with water R.

Tris(hydroxymethyl)aminomethane-EDTA buffer solution pH8.4.4006600.

Dissolve5.12g of sodium chloride R,3.03g of

tris(hydroxymethyl)aminomethane R and1.40g of sodium edetate R in250mL of distilled water R.Adjust the pH to8.4 using hydrochloric acid R.Dilute to500.0mL with distilled water R.

Guanidine-tris(hydroxymethyl)aminomethane-EDTA buffer solution pH8.5.4014600.

Dissolve1.0g of sodium edetate R,12.1g of

tris(hydroxymethyl)aminomethane R and57.0g of guanidine hydrochloride R in35mL of water R.Adjust to

pH8.5with hydrochloric acid R and dilute to100mL with water R.

EUROPEAN PHARMACOPOEIA 8.0 4.2.1.Primary standards for volumetric

solutions

Phosphate buffer solution pH 8.5.4013300.

Dissolve 3.5g of dipotassium hydrogen phosphate R and 4.5g of sodium chloride R in 500mL of water R .Adjust the pH with a mixture of equal volumes of dilute phosphoric acid R and water R .

Tris acetate buffer solution pH 8.5.4006700.

Dissolve 0.294g of calcium chloride R and 12.11g of

tris(hydroxymethyl)aminomethane R in water R .Adjust the pH with acetic acid R .Dilute to 1000.0mL with water R .Barbital buffer solution pH 8.6R1.4006900.

Dissolve in water R 1.38g of barbital R ,8.76g of barbital sodium R and 0.38g of calcium lactate R and dilute to 1000.0mL with the same solvent.

1.5M tris-hydrochloride buffer solution pH 8.8.4009900.

Dissolve 90.8g of tris(hydroxymethyl)aminomethane R in 400mL of water R .Adjust the pH with hydrochloric acid R and dilute to 500.0mL with water R .Buffer (phosphate)solution pH 9.0.4008300.

Dissolve 1.74g of potassium dihydrogen phosphate R in 80mL of water R ,adjust the pH with 1M potassium hydroxide and dilute to 100.0mL with water R .

Buffer solution pH 9.0.4007000.

Dissolve 6.18g of boric acid R in 0.1M potassium chloride R

and dilute to 1000.0mL with the same solvent.Mix 1000.0mL

of this solution and 420.0mL of 0.1M sodium hydroxide .Buffer solution pH 9.0R1.4007100.

Dissolve 6.20g of boric acid R in 500mL of water R and adjust the pH with 1M sodium hydroxide (about 41.5mL).Dilute to 1000.0mL with water R .

Ammonium chloride buffer solution pH 9.5.4007200.

Dissolve 33.5g of ammonium chloride R in 150mL of water R ,add 42.0mL of concentrated ammonia R and dilute to 250.0mL with water R .

Storage :in a polyethylene container.

Ammonium chloride buffer solution pH 10.0.4007300.Dissolve 5.4g of ammonium chloride R in 20mL of water R ,add 35.0mL of ammonia R and dilute to 100.0mL with water R .

Diethanolamine buffer solution pH 10.0.4007500.Dissolve 96.4g of diethanolamine R in water R and dilute to 400mL with the same solvent.Add 0.5mL of an 186g/L solution of magnesium chloride R and adjust the pH with 1M hydrochloric acid .Dilute to 500.0mL with water R .0.1M Ammonium carbonate buffer solution pH 10.3.4011900.

Dissolve 7.91g of ammonium carbonate R in 800mL of water R .Adjust the pH with dilute sodium hydroxide solution R .Dilute to 1000.0mL with water R .

Ammonium chloride buffer solution pH 10.4.4011000.Dissolve 70g of ammonium chloride R in 200mL of water R ,add 330mL of concentrated ammonia R and dilute to

1000.0mL with water R .If necessary,adjust to pH 10.4with ammonia R .

Borate buffer solution pH 10.4.4011100.

Dissolve 24.64g of boric acid R in 900mL of distilled water R .Adjust the pH using a 400g/L solution of sodium hydroxide R .Dilute to 1000mL with distilled water R .

Ammonium chloride buffer solution pH 10.7.4013400.Dissolve 67.5g of ammonium chloride R in water R ,add 570mL of concentrated ammonia R and dilute to 1000.0mL with water R .

Buffer solution pH 10.9.4007600.

Dissolve 6.75g of ammonium chloride R in ammonia R and dilute to 100.0mL with the same solvent.

Total-ionic-strength-adjustment buffer.4007700.Dissolve 58.5g of sodium chloride R ,57.0mL of glacial acetic acid R ,61.5g of sodium acetate R and 5.0g of

cyclohexylenedinitrilotetra-acetic acid R in water R and dilute to 500.0mL with the same solvent.Adjust to pH 5.0to 5.5with a 335g/L solution of sodium hydroxide R and dilute to 1000.0mL with distilled water R .

Total-ionic-strength-adjustment buffer R1.4008800.

Dissolve 210g of citric acid R in 400mL of distilled water R .Adjust to pH 7.0with concentrated ammonia R .Dilute to 1000.0mL with distilled water R (solution A).Dissolve 132g of ammonium phosphate R in distilled water R and

dilute to 1000.0mL with the same solvent (solution B).To a suspension of 292g of (ethylenedinitrilo)tetra-acetic acid R in about 500mL of distilled water R ,add about 200mL of

concentrated ammonia R to dissolve.Adjust the pH to 6to 7with concentrated ammonia R .Dilute to 1000.0mL with

distilled water R (solution C).Mix equal volumes of solution A,B,and C and adjust to pH 7.5with concentrated ammonia R .Buffer solution pH 11.4014000.

Dissolve 6.21g of boric acid R ,4.00g of sodium hydroxide R

and 3.70g of potassium chloride R in 500mL of water R and

dilute to 1000mL with the same solvent.

4.2.VOLUMETRIC ANALYSIS

04/2010:40201

4.2.1.PRIMARY STANDARDS FOR VOLUMETRIC SOLUTIONS

Primary standards for volumetric solutions are indicated by the suf?x RV .Primary standards of suitable quality may be obtained from commercial sources or prepared by the following methods.

Arsenious trioxide.As 2O 3.(M r 197.8).2000100.[1327-53-3].Sublime arsenious trioxide R in a suitable apparatus.Storage :over anhydrous silica gel R .

Benzoic acid.C 7H 6O 2.(M r 122.1).2000200.[65-85-0].Sublime benzoic acid R in a suitable apparatus.

Potassium bromate.KBrO 3.(M r 167.0).2000300.[7758-01-2].

Crystallise potassium bromate R from boiling water R .Collect the crystals and dry to constant mass at 180°C.

Potassium hydrogen phthalate.C 8H 5KO 4.(M r 204.2).2000400.[877-24-7].

Recrystallise potassium hydrogen phthalate R from boiling water R ,collect the crystals at a temperature above 35°C and dry to constant mass at 110°C.

Sodium carbonate.Na 2CO 3.(M r 106.0).2000500.[497-19-8].

Filter at room temperature a saturated solution of sodium carbonate R .Introduce slowly into the ?ltrate a stream of carbon dioxide R with constant cooling and stirring.After about 2h,collect the precipitate on a sintered-glass ?lter (2.1.2).Wash the ?lter with iced water R containing carbon dioxide.After drying at 100°C to 105°C,heat to constant mass at 270-300°C,stirring from time to time.

USP39 注射剂通则

tion as constituted for administration are not included in the individual monographs on sterile dry solids or liquid concentrates. However, in the interest of assuring the quality of injection preparations as they are actually administered, the following non-destructive tests are provided for demonstrating the suitability of constituted solutions when they are prepared just prior to use. Completeness and Clarity of Solution—Constitute the solution as directed in the labeling supplied by the manufacturer for the sterile dry dosage form. A:The solid dissolves completely, leaving no visible residue as undissolved matter. B:The constituted solution is not significantly less clear than an equal volume of the diluent or of Purified Water contained in a similar vessel and examined similarly. Particulate Matter—Constitute the solution as directed in the labeling supplied by the manufacturer for the sterile dry dos-age form: the solution is essentially free from particles of foreign matter that can be observed on visual inspection. á1? INJECTIONS AND IMPLANTED DRUG PRODUCTS (PARENTERALS)—PRODUCT QUALITY TESTS (Chapter to become official May 1, 2016) (Current chapter name is á1? Injections) INTRODUCTION Parenteral drug products include both injections and implanted drug products that are injected through the skin or other external boundary tissue, or implanted within the body to allow the direct administration of the active drug substance(s) into blood vessels, organs, tissues, or lesions. Injections may exist as either immediate- or extended-release dosage forms. Implan-ted parenteral drug products are long-acting dosage forms that provide continuous release of the active drug substance(s) of-ten for periods of months to years. For systemic delivery, they may be placed subcutaneously; for local delivery, they may be placed in a specific region of the body. Routes of administration for parenteral drug products include intravenous, intraventric-ular, intra-arterial, intra-articular, subcutaneous, intramuscular, intrathecal, intracisternal, and intraocular. Parenteral dosage forms include solutions, suspensions, emulsions, sterile powders for solutions and suspensions (including liposomes), implants (including microparticles), and products that consist of both a drug and a device such as drug-eluting stents. The reader is directed to Pharmaceutical Dosage Forms á1151?1 and to the later sections of this chapter for additional descriptions of dosage forms that fall into the general category of parenteral drug products. Nomenclature á1121?1 provides information on nomenclature used to establish USP names and monograph titles for parenteral drug products. Chapter á1? provides a framework to support the revision and the development of individual monographs, and is not meant to replace individual monographs. Chapter á1? provides lists of common product quality test requirements in a concise and a coherent fashion. The chapter is divided into four main sections: (1) universal product quality tests that are applicable to pa-rental dosage forms; (2) specific product quality tests, which are tests that should be considered in addition to Universal Tests; (3) product quality tests for specific dosage forms, which lists all the applicable tests (Universal and Specific) for the specific dosage form; and (4) product performance tests. If a monograph exists, it will reference á1? or indicated chapter parts. If a specific drug product monograph is missing (not in existence), the general chapters provide the quality tests that can be used by manufacturers until the dosage form monograph is developed by USP. The Pharmacopeial definitions for sterile preparations for parenteral use may not apply to some biologics because of their special nature and licensing requirements (see Biologics á1041?1). However, some biological finished drug products containing “Injection” in the monograph title must meet the requirements of á1? or indicated chapter subparts, where it is specified in the monograph. Drug Product Quality and Drug Product Performance Tests Procedures and acceptance criteria for testing parenteral drug products are divided into two categories: (1) those that assess product quality attributes, e.g., identification, sterility, and particulate matter, and are contained in this chapter and (2) those that assess product performance, e.g., in vitro release of the drug substance from the drug product. Whereas quality tests as-sess the integrity of the dosage form, the performance tests assess performance (bioavailability) after the product has been administered to the patient. A product performance test, i.e., drug release test for suspensions, emulsions, powder for suspen-sion (including microparticles and liposomes), and drug-eluting stents, should be carried out using appropriate test proce-dures. 1All listed chapters above á1000? are for information purposes only; they may be helpful but are not mandatory.

国内外药品包装体系及其包材相应试验

国内外药品包装体系及其包材相应试验(一) 药品包装是指直接接触药品的包装材料和容器,属于专用包装范畴,它具有包装的所有属性,并有其特殊性:1、能保护药品在贮藏、使用过程中不受环境的影响,保持药品原有属性2、药品包装材料自身在贮藏、使用过程中性质应有一定的稳定性3、药品包装材料在包裹药品时不能污染药品生产环境。4、药品包装材料不得带有在使用过程中不能消除的对所包装药物有影响的物质。5、药品包装材料与所包装的药品不能发生化学、生物意义上的反应。为了确认药品包装材料可被用于包裹药品,有必要对这些材料进行质量监控 一、药品包装分类 (一)按药品包装材料、容器所使用的成份可分为:塑料、橡胶(或弹性体)、玻璃、金属及其它类(如布类、陶瓷类、纸类、干燥剂类)等五类。 (二)按药品包装材料、容器的形状也可分为:容器(如口服固体药用高密度聚乙烯瓶等)、硬片或袋(如PVC固体药用硬片、药品包装用复合膜、袋等)、塞(如药用氯化丁基橡胶塞)、盖(如口服液瓶撕拉铝盖)、辅助用途(如输液接口)等五类。 二、药品包装材料标准体系 为确保药品的安全、有效使用,各国均对药品包装材料和容器进行质量控制,标准体系主要有 1、药典体系:各发达国家药典附录均收载有药品包装材料的技术要求 2、ISO体系:根据材料及形状制定标准(如铝盖、玻璃输液瓶) 3、各国工业标准体系:如英国工业标准BS等,已逐渐向ISO标准转化 4、国内标准体系:工业标准形式上与ISO标准相同,安全项目略少于先进国家药典。为有效控制药品包装材料的质量,国家食品药品监督管理局已于2002年始,制定并颁布相应的药品包装材料容器的质量标准,加强对材料的物理、机械性能、化学性能、安全性能的控制。 国际标准、各国药典都是药品包装国际市场共同遵循的技术依据,其中,药典侧重于材料、容器的安全性评价,国际标准侧重于产品使用性能的评价。 三、各国药品包装容器质量标准体系内容介绍 1、美国药典对玻璃产品控制的项目有:透光率试验、耐水性试验、砷浸出量试验等; 对PE或PET产品(适用于口服固体制剂)控制的项目有:红外测定、热分析、透光率试验、水蒸气透过量测定、重金属、不挥发物测定等。 2、日本药局方对注射剂用玻璃容器的检测项目有:封口要求、可溶性碱(耐水性)测定、铁测定(避光容器)、透光率测定;对塑料容器的特殊要求是(1)应考察容器的溶出或迁

美国及欧洲药典系统适应性要求

系统适应性——美国药典 系统适应性是气相和液相色谱分析方法的重要组成部分,用于证明色谱系统的分离度和重现性能满足样品的分析要求。 测试基于这样的原理:仪器、电路、方法和样品组成一个整体系统,我们可以对这个系统进行测试评估。 影响色谱系统的因素包括: 流动相的组成、离子强度、温度和pH值 柱子大小、流速、柱温和压力 固定相特点,包括填料类型,载体形状、粒径、孔 径、表面积等。 常用固定相为反相硅胶,以十八碳烷基健合硅胶 最常用,其它经过化学修饰 的硅胶也有使用。 分离度R s是理论塔板数n的函数(也叫柱效),α是分离因子,k 是容量因子(所有符号的意义见前文“色谱定义和说明”部分)。在规定的色谱条件下,n表示洗脱物中相邻化合物的分离程度,可作为衡量色谱系统柱效能的指标,但是不如直接测试的结果可靠。峰的尖锐程度部分反映柱效,这个参数对检查微量物质至关重要。 标准品或者标准溶液需要重复进样以确保精密度。除非个论中有规定, 系统适用性五针的数据的相对标准偏差不超过2.0%, 如果超过2.0%的话, 需要进样六针。 在含量测定中,如果纯品含

H是峰高,即峰最高点到基线的距离;h是噪音最大值和最小值之间的差值。 系统适应性测试的数据通过重复进样标准品或者特定文件中规定的对照溶液而得到, 此文件中对相关参数的定义同样适用于其它操作条件,以下情况可做相应调整: 标准品(包括参考物质) 对适应性测试中的所有化合 物均适用 在系统适应性测试中为改进色谱系统性能而作适 当调整 对色谱系统的调整不能弥补柱子和系统本身的缺陷。 为满足系统适应性要求而对分析方法调整时,除非另有规定,以下每个变量的最大值都应考虑;这些调整需要附加有效数据。为验证新方法的系统适应性,需要对改变条件后的分析方法重新评价。多处改动会对系统性能产生积累效果,在分析之前能仔细考虑。在梯度洗脱中不推荐改变流动性组成,如果必须改变,则只对溶剂体积或滞后体积改变。 流动相pH(HPLC):在配备

药典注射剂通则

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小容量注射剂生产工艺规范通则

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9301 注射剂安全性检查法应用指导原则]

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