GB/T 18570.12-2008

Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness - Part 12: Field method for the titrimetric determination of water-soluble ferrous ions

涂覆涂料前钢材表面处理 表面清洁度的评定试验 第12部分: 水溶性铁离子的现场滴定测定法