BS EN ISO 4630:2015
Current
The latest, up-to-date edition.
Clear liquids. Estimation of colour by the Gardner colour scale
Hardcopy , PDF
English
31-01-2016
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Foreword
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) - Gardner colour standards
Bibliography
Defines a method for estimating the colour of optically clear, yellow/brownish coloured liquid products by means of the Gardner colour scale using colour-measuring instruments.
| Committee |
STI/10
|
| DevelopmentNote |
Supersedes 14/30287137 DC, BS EN ISO 4630-1 & BS EN ISO 4630-2. (01/2016)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies a method for estimating the colour of optically clear, yellow/brownish coloured liquid products by means of the Gardner colour scale using colour-measuring instruments. The method uses the Gardner colour scale described in AnnexA. 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. The results might be invalid if other products are tested. The method described provides a more precise way of measuring Gardner colour than a visual sample comparison using human eyes. It is applicable to products having colours from Gardner 1 to Gardner 18. The Gardner scale is not applicable to products with colours darker than 18. For products with colours lighter than Gardner 1 the method specified in ISO6271 applies.
| Standards | Relationship |
| EN ISO 4630:2015 | Identical |
| ISO 4630:2015 | Identical |
| ISO 13632:2012 | Binders for paints and varnishes — Rosin — Sampling and sample preparation for colour measurement |
| ISO 6271:2015 | Clear liquids Estimation of colour by the platinum-cobalt colour scale |
| 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 |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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