LabChem® Color Standard, Pt-Co, 10 Units, 500mL

LabChem® COLOR STANDARD, Pt-Co, 10 units is a certified platinum-cobalt (Pt-Co, also called APHA or Hazen) color standard prepared to a value of 10 units. Pt-Co standards are manufactured from potassium chloroplatinate and cobalt chloride in a defined ratio, producing a stable yellow reference color used to quantify the apparent color of water and other clear liquids. Its certified value provides a reliable reference point for instrument calibration.

It is commonly used to calibrate spectrophotometers and colorimeters for water color testing, as well as to verify instrument accuracy in industries such as water treatment, chemical manufacturing, and beverage production. Its certified accuracy supports consistent, dependable calibration results across repeated use. This reagent should be handled, stored, and used according to established laboratory safety procedures and the manufacturer's instructions.

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