The kit contains a set of nine brown colour 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.).
- Ready-to-use solutions
- Prepared and qualified in accordance with Ph. Eur.
- Available in tamper-evident 2 ml ampoules
- Expiry dated on the label with a limited shelf life
- Accompanied with a detailed certificate of analysis for an effective quality management system
They are used as calibration and/or quality control standards to measure the degree of coloration of liquids in the brown-yellow-red colour range.
This is a set of the following colour reference solutions according to PhEur:
Colour Reference Solution B1 - 2 ml ampoule
Colour Reference Solution B2 - 2 ml ampoule
Colour Reference Solution B3 - 2 ml ampoule
Colour Reference Solution B4 - 2 ml ampoule
Colour Reference Solution B5 - 2 ml ampoule
Colour Reference Solution B6 - 2 ml ampoule
Colour Reference Solution B7 - 2 ml ampoule
Colour Reference Solution B8 - 2 ml ampoule
Colour Reference Solution B9 - 2 ml ampoule
Blind sample : Hydrochloric acid solution, 1% in water - 2 ml ampoule
