Active standard | Published: 01/10/1973

ISO 2211:1973

Liquid chemical products — Measurement of colour in Hazen units (platinum-cobalt scale)
(Produits chimiques liquides — Détermination de la coloration en unités Hazen (Échelle platine-cobalt))

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Detail information

Designation: ISO 2211:1973

Publication date: 01/10/1973

Pages: 2

Country: International technical standard

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Anotation

Description / Abstract: Applicable only to clear, slightly coloured liqids. Such colour characteristics are described as brownish-yellow. The principle is based on a visual comparison of the colour of a sample with that of colour standards. The results are expressed in terms of the platinum-cobalt scale. For routine control purposes a comparator, colorimeter or spectrophotometer may be used, if the values so obtained are identical with those obtained by visual comparison.

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