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Pt-Co/Hazen/APHA Colour (ASTM D1209) Colour Reference Standards

Pt-Co/Hazen/APHA Colour (ASTM D1209) Colour Reference Standards

Pt-Co/Hazen/APHA Colour (ASTM D1209) colour reference standards are manufactured and certified by The Tintometer Limited. These colour standards have been manufactured and tested under the control of Tintometer's ISO 9001 Quality Management System. Often referred to as Pt-Co, Platinum-Cobalt, Hazen or APHA Colour. All terms are interchangeable and equally valid. Typically used to measure clear to dark amber liquids. 

Originally defined by specified dilutions of a platinum-cobalt stock solution, ranging from 0 at the light end of the scale to 500 at the darkest. Used extensively in the water industry but also for clear oils, chemicals and petrochemicals such as glycerine, plasticisers, solvents, carbon tetrachloride and petroleum spirits. Typically used in, but not limited to, ASTM D1209, ASTM D5386, ISO 6271.  

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    Part No. Certification Test Method Matrix Certified Value Pack Size Price Qty Action
    133991 ISO 9001 ASTM D1209 Aqueous Solution 0 500 mL
    134140 ISO 9001 ASTM D1209 Aqueous Solution 5 500 mL
    134150 ISO 9001 ASTM D1209 Aqueous Solution 10 500 mL
    134160 ISO 9001 ASTM D1209 Aqueous Solution 15 500 mL
    134170 ISO 9001 ASTM D1209 Aqueous Solution 30 500 mL
    134180 ISO 9001 ASTM D1209 Aqueous Solution 50 500 mL
    134190 ISO 9001 ASTM D1209 Aqueous Solution 100 500 mL
    462803 ISO 9001 ASTM D1209 Aqueous Solution 500 500 mL
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