Pt-Co/Hazen/APHA Colour Reference Standard

Application
Pt-Co/Hazen/APHA (ASTM colour 500) colour reference standard is used with coloured solutions that show light absorption characteristics, matching those of the platinum-cobalt scale.

It may be used as a colour standard for visual analysis of colour following the ASTM D 1209 test method.[1] Features and Benefits
Certified under ISO 9001 Quality management system
Absorbance values within the ASTM D1209-05 (2011) range
Available with a certificate of analysis and MSDS
Full traceability to international standards
Provided in a 500-mL pack size with tamper-evident packaging
12-months of shelf life

General description
This product is an analytical standard, produced as per the ISO 9001 Quality system.

Please note that the value stated on this page is nominal. All certified values for the current lots of all Pt-Co/Hazen/APHA colour reference standards can be found on the Paragon Scientific webpage.
Legal Information
ASTM is a registered trademark of American Society for Testing and Materials