Clear liquids - Estimation of colour by the platinum-cobalt colour scale
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English Hardcopy
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Number of Standard:
CSN EN ISO 6271
Category:
673026
Pages:
20
Released:
01.07.2016
Catalog number:
99856
DESCRIPTION
CSN EN ISO 6271
CSN EN ISO 6271 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. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.