ISO 8502-9:2020
涂料和相关产品前钢基材料的制备 - 表面清洁度评估试验 - 第9部分:水溶性盐电导率测定的现场方法
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