VWR®, Colour standard solutions, Reag. Ph. Eur.

Supplier: VWR Chemicals

Ready to use colour solutions according to Reag. Ph. Eur.

Expand 6 Items

Potassium iodo mercurate(II) reagent, solution B (sodium hydroxide 20% aqueous solution) Reag. Ph. Eur. 1071600 for determination of ammonia and ammonium salts

Supplier: VWR Chemicals

Potassium iodo mercurate(II) reagent, solution B (sodium hydroxide 20% aqueous solution) Reag. Ph. Eur. 1071600 for determination of ammonia and ammonium salts

Expand 1 Items

Xylenol orange triturate 1% (w/w) in potassium nitrate Reag. Ph. Eur. 1096301

Supplier: VWR Chemicals

Xylenol orange triturate 1% (w/w) in potassium nitrate Reag. Ph. Eur. 1096301

Expand 1 Items

Ammonium iron(II) sulphate 100 g/l solution R2 Reag. Ph. Eur. 1037702

Supplier: VWR Chemicals

Other name: Ferric ammonium sulphate solution R2

Expand 1 Items

Ferroin (1,10-phenanthrolineferrous sulphate complex) 0.025 mol/l in aqueous solution Reag. Ph. Eur. 1038100 redox indicator

Supplier: VWR Chemicals

Ferroin (1,10-phenanthrolineferrous sulphate complex) 0.025 mol/l in aqueous solution Reag. Ph. Eur. 1038100 redox indicator

Expand 1 Items

Indigo carmine solution Reag. Ph. Eur. 1045601

Supplier: VWR Chemicals

Indigo carmine solution Reag. Ph. Eur. 1045601

Expand 1 Items

Eriochrome Black T 1% in sodium chloride Reag. Ph. Eur. 1056801

Supplier: VWR Chemicals

Eriochrome Black T 1% in sodium chloride Reag. Ph. Eur. 1056801

Expand 1 Items

Cupri-tartaric solution R4 (I+II) Reag. Ph. Eur. 1023304

Supplier: VWR Chemicals

Starting materials:
Solution A. Copper sulfate R/ Water R
Solution B. anhydrous Sodium carbonate R / Potassium sodium tartrate R/ Sodium hydrogen carbonate R/ anhydrous Sodium sulfate R/ Water R

Expand 1 Items

Alizarin red S (sodium salt) solution Reag. Ph. Eur. 1002601

Supplier: VWR Chemicals

Alizarin red S (sodium salt) solution Reag. Ph. Eur. 1002601

Expand 1 Items

Zirconyl nitrate 0,1% in hydrochloric acid 22% Reag. Ph. Eur. 1097201

Supplier: VWR Chemicals

Zirconyl nitrate 0,1% in hydrochloric acid 22% Reag. Ph. Eur. 1097201

Expand 1 Items

VWR®, Residual solvents (0861): Class 3

Supplier: VWR Chemicals

Residual solvents according to Chinese Pharmacopoeia.

Expand 2 Items

VWR® Buffer, Ammonium Chloride, pH 10, Reag. Ph.Eur.

Supplier: VWR Chemicals

The reagent is specially intended for use in testing Ph Eur and monographs. This solution was produced according 4.1.1 of Ph Eur specifications using Ph Eur reagent quality components and water meeting the Ph Eur monograph requirement for purified water.

Expand 1 Items

Crystal violet solution Reag. Ph. Eur. 1022901

Supplier: VWR Chemicals

Crystal violet solution Reag. Ph. Eur. 1022901

Expand 1 Items

Potassium hexacyanoferrate(II) trihydrate 5,3% (w/v) in aqueous solution Reag. Ph. Eur. 1069801

Supplier: VWR Chemicals

Potassium hexacyanoferrate(II) trihydrate 5,3% (w/v) in aqueous solution Reag. Ph. Eur. 1069801

Expand 1 Items

VWR®, Primary colour solutions, Reagent Ph. Eur.

Supplier: VWR Chemicals

Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in compliance with the Ph. Eur. and are supplied with detailed Certificates of Analysis showing batch number, and expiry date.

Expand 7 Items

1-Naphtholbenzeine 0,2% in acetic acid Reag. Ph. Eur. 1057601

Supplier: VWR Chemicals

1-Naphtholbenzeine 0,2% in acetic acid Reag. Ph. Eur. 1057601

Expand 1 Items

VWR® Fixing Solution

Supplier: VWR Chemicals

Fixing solution with 0,02% formaldehyde in methanol 50% (v/v)).

Expand 1 Items

VWR®, Residual solvent standards according to ICH guidelines

Supplier: VWR Chemicals

The level of volatile organic solvents in pharmaceutical raw materials or finished product is defined and monitored in accordance with ICH guidelines. Residual solvents are classified according to their risk assessment classes. A selection of residual solvent standards is now available from Avantor.