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EVS-EN ISO 4630-2:2005

Clear liquids - Estimation of colour by the Gardner colour scale - Part 2: Spectrophotometric method

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Kehtetu alates 05.01.2016
Alusdokumendid
ISO 4630-2:2004; EN ISO 4630-2:2004
Tegevusala (ICS grupid)
87.060.20 Sideained
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
05.01.2016
Põhitekst
09.02.2005
Põhitekst
This part of ISO 4630 specifies a method for estimating, by means of the Gardner colour scale, the colour of clear, yellow/brown liquid products using colour-measuring instruments. The results might be invalid if other products are tested. The test uses the Gardner colour scale described in ISO 4630-1. The method is applicable to drying oils, varnishes and solutions of fatty acids, polymerized fatty acids, resins, tall oil, tall oil fatty acids, rosin and related products. The method described provides a more precise way of measuring Gardner colour than that described in ISO 4630-1. It is applicable to products having colours from Gardner 1 to Gardner 18. The Gardner scale is not applicable to products with colours lighter than 1 or darker than 18.

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