标准编号：ISO 4630:2015
中文名称：透明液体 用Gardner色标评定色度
英文名称：Clear liquids — Estimation of colour by the Gardner colour scale
发布日期：2015-12
标准范围
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-measuringinstruments. The method uses the Gardner colour scale described in Annex A.It is applicable to drying oils, varnishes and solutions of fatty acids, polymerized fatty acids, resins, talloil, 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 samplecomparison 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
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