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EN ISO 4630-2:2004

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Clear liquids - Estimation of colour by the Gardner colour scale - Part 2: Spectrophotometric method (ISO 4630-2:2004)

Superseded date

01-12-2015

Superseded by

EN ISO 4630:2015

Published date

15-11-2004

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1 Scope
2 Normative references
3 Principle
4 Apparatus and materials
5 Sampling
6 Procedure
7 Expression of results
8 Precision
9 Test report
Annex A (normative) Calculating Gardner colour from
        chromaticity coordinates
Bibliography

ISO 4630-2:2004 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. The test uses the Gardner colour scale described in ISO 4630-1, which describes a visual method.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.

Committee
CEN/TC 139
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

ISO 4630-1:2004 Clear liquids Estimation of colour by the Gardner colour scale Part 1: Visual method
EN 1557:1996 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission
ISO 15528:2013 Paints, varnishes and raw materials for paints and varnishes Sampling
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method

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