Schoenfeldt surface active agents - determination of the power to disperse calcium soap - acidimetric method modified schoenfeldt method 表面活性剂钙皂分散力的测定酸量滴定法
2.
Iso 5 starches and derived products - determination of sulfur dioxide content - acidimetric method iso 5379 : 1983 modified ; german version en 1185 : 1994 淀粉及其制品.二氧化硫含量的测定.酸量滴定法