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.

Components

This is a set of the following color reference solutions according to PhEur: Colour Reference Solution R1 - 10mL ampule Colour Reference Solution R2 - 10mL ampule Colour Reference Solution R3 - 10mL ampule Colour Reference Solution R4 - 10mL ampule Colour Reference Solution R5 - 10mL ampule Colour Reference Solution R6 - 10mL ampule Colour Reference Solution R7 - 10mL ampule Blind sample : Hydrochloric acid solution, 1% in water - 10mL ampule

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 seven red color reference standards (identified sequentially from R1 to R7) and a 1% hydrogen chloride solution in water. The solutions are produced from two primary metal salt solutions of ferric(III) chloride and cobalt(II) chloride, in accordance with chapter 2.2.2 ′Degree of colouration of liquids′ of the European Pharmacopoeia (Ph. Eur.).