ISO 8502-2:1992 涂装油漆和有关产品前钢材预处理 表面清洁度的评定试验 第2部分:清理过的表面上的氯化物的实验室测定
Preparation of steel substrates before application of paints and related products; tests for the assessment of surface cleanliness; part 2: laboratory determination of chloride on cleaned surfaces