Color Reference Solutions

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

Colour Reference Solution B1 – 10mL ampule
Colour Reference Solution B2 – 10mL ampule
Colour Reference Solution B3 – 10mL ampule
Colour Reference Solution B4 – 10mL ampule
Colour Reference Solution B5 – 10mL ampule
Colour Reference Solution B6 – 10mL ampule
Colour Reference Solution B7 – 10mL ampule
Colour Reference Solution B8 – 10mL ampule
Colour Reference Solution B9 – 10mL ampule
Blind sample : Hydrochloric acid solution, 1% in water – 10mL ampule