DIN EN ISO 8502-9:2001 使用涂料和有关产品前钢底材的制备.表面清洁度评定试验.第9部分:水溶性盐热导测定的现场方法
Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 9: Field method for the conductometric determination of water-soluble salts (ISO 8502-9:1998); German version EN ISO