NF T35-502-11*NF EN ISO 8502-11:2006 涂覆油漆和有关产品前钢材预处理.表面清洁度的评定试验.第11部分:水溶性硫酸盐浊度测定的现场方法
Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 11 : field method for the turbidimetric determination of water-soluble sulfate.