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Colour Standard Pt/Co

ROTI®Calipure 30 Hazen
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Pack Qty.
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Density (D) ~1 g/cm³
Boiling point (bp) 100 °C
WGK 1


€74.20/Pack Qty. 

excl. VAT. | 100 ml per Pack Qty.

Art. No. 1EEC.1

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Colour Standard Pt/Co
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1EEC.1 100 ml plastic

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Downloads / MSDS


General information

ROTI®Calipure standards for your calibration needs

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.


Colour Standards Pt/Co ROTI®Calipure

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
  • Ready-to-use


Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Colour number (Hazen)29.9-30.1

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