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磺基水杨酸,即2-羟基-5-磺基苯甲酸,在不同的酸度下,可与Fe~(3+)逐级形成络合比为1～3的有色络合物,已广泛用于铁的比色测定或作为EDTA络合滴定铁的指示剂。但有关络离
Sulfosalicylic acid, 2-hydroxy-5-sulfobenzoic acid, can form a complex with 1 ~ 3 complex with Fe ~ (3+) under different acidity. It has been widely used Colorimetric assay for iron or as an indicator for EDTA complexometric titration of iron. But about the contact