ČSN EN ISO 6271

Clear liquids - Estimation of colour by the platinum-cobalt colour scale

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Detail information

Designation: ČSN EN ISO 6271

Publication date: 01/07/2016

Pages: 20

Country: Czech technical standard

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Anotation

This International Standard specifies a spectrophotometric method for estimating the colour of clear liquids in terms of platinum-cobalt units (Pt-Co units). It is applicable to clear liquids having a colour characteristic similar to those of the platinum-cobalt colour scale specified in Annex A. For products with colours more intense than the Pt-Co stock solution the method specified in ISO 4630 applies.
The spectrophotometric method provides a more precise way of measuring Pt-Co colour than a visual sample comparison by human eyes

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