Merck, 83951-1SET-F, Color Reference Solutions

General description
The kit contains a set of nine brown color reference standards (identified sequentially from B1 to B9) and a 1% hydrogen chloride solution in water. The solutions are produced from three primary metal salt solutions of ferric(III) chloride, cobalt(II) chloride, and copper(II) sulfate pentahydrate, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).
Application
They are used as calibration and/or quality control standards to measure the degree of coloration of liquids in the brown-yellow-red color range.
Features and Benefits

• Ready-to-use solutions
• Prepared and qualified in accordance with Ph. Eur.
• Available in tamper-evident 2 mL ampules
• Expiry dated on the label with a limited shelf life
• Accompanied with a detailed certificate of analysis for an effective quality management system

Other Notes
This is a set of the following color reference solutions according to PhEur:

• Colour Reference Solution B1 - 2mL ampule
• Colour Reference Solution B2 - 2mL ampule
• Colour Reference Solution B3 - 2mL ampule
• Colour Reference Solution B4 - 2mL ampule
• Colour Reference Solution B5 - 2mL ampule
• Colour Reference Solution B6 - 2mL ampule
• Colour Reference Solution B7 - 2mL ampule
• Colour Reference Solution B8 - 2mL ampule
• Colour Reference Solution B9 - 2mL ampule
• Blind sample : Hydrochloric acid solution, 1% in water - 2mL ampule