Merck, 72666-1SET-F, Color Reference Solutions

General description
The kit contains a set of seven brownish yellow color reference standards (identified sequentially from BY1 to BY7) 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
The reference standards 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 10 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 BY1 - 10mL ampule
• Colour Reference Solution BY2 - 10mL ampule
• Colour Reference Solution BY3 - 10mL ampule
• Colour Reference Solution BY4 - 10mL ampule
• Colour Reference Solution BY5 - 10mL ampule
• Colour Reference Solution BY6 - 10mL ampule
• Colour Reference Solution BY7 - 10mL ampule
• Blind sample : Hydrochloric acid solution, 1% in water - 10mL ampule