SSH EN ISO 4630-1:2006

Lëngje pastrues - Vlerësimi i ngjyrës sipas shkallës Gardner të ngjyrës - Pjesa 1: Metoda vizuale

Clear liquids - Estimation of colour by the Gardner colour scale - Part 1: Visual method (ISO 4630-1:2004)

Scope

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.