DANSK DS/EN ISO 8502-9:2020 涂装油漆和相关产品前钢基材的制备 表面清洁度评估试验 第9部分:水溶性盐电导测定的现场方法 (ISO 8502-9:2020)
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 8502-9:2020)