Preparation of steel substrates before application of paints and related products - tests for the assessment of surface cleanliness - field method for the conductometric determination of water - soluble salts 涂料和有关产品使用前钢衬底的制备.表面清洁度评定试验.水溶性盐电导测定的现场方法
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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 涂料和有关产品使用前钢基片的制备.表面清洁度的评估试验.第9部分:水溶盐电导测定的现场方法