UNE-EN ISO 8502-9:2001 在涂料和相关产品的应用之前准备钢基材 用于评估表面清洁度的测试 第9部分：水溶性盐类电导测定的现场方法（ISO 8502-9:1998）
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)
