Reference number
ISO 4630-1:2004
ISO 4630-1:2004
© ISO 2025
ISO 4630-1:2004
Clear liquids — Estimation of colour by the Gardner colour scale — Part 1: Visual method
Edition 1
2004-11
2004-11
Withdrawn
Abstract
ISO 4630-1:2004 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 may be invalid if other products are tested.
It 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.
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.
Life cycle
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Previously
WithdrawnISO 4630:1997
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Now
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Revised by
PublishedISO 4630:2015