NF T35-502-12:2005
涂裝油漆和有關產品前鋼材預處理.表面清潔度評定試驗.第12部分:水溶鐵離子滴定測定的現場方法
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.