Colour Standard Pt/Co
Boiling point (bp) 100 °C
ADR 8 III
excl. VAT. | 100 ml per Pack Qty.
Art. No. 1EEK.1
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Carl ROTH offers an extensive range of calibration and control standards. These products are manufactured from highly pure starting material and are specially tested for each application. The corresponding batch-specific certificate of analysis is available online. Each product series offers excellent value for money.
The platinum-cobalt colour scale (Pt/Co for short) or APHA-Hazen colour scale is used for colour assessment of almost water-clear solutions. It is defined as mg platinum per 1 l solution. The samples are compared colorimetrically against the corresponding standard solution.
Our Pt/Co (Hazen) colour standards are prepared from high-quality reagents by weighing (weight %) according to ASTM D 1209. The standards are checked by means of a spectrophotometer. The batch specific Certificates of Analysis are available online.Properties:
- Calibration and/or quality control standard
- Consistently high quality from batch to batch
|Colour number (Hazen)||79.0-81.0|