薄層クロマトグラフィーによるイオウ,亜硫酸,シアンイオンの分析

概要

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The separation and identification of sulfide, sulfite and cyanide ion among 20 common anions were examined on two kinds of plates by using three developing solvents. The separation of SO32-, I-, SCN-, Br-, NO3-, ClO3-, BrO3-, Cl-, IO3-, Fe(CN)63-, and Fe(CN)64- with acetone-water (10 : 1) and of SO32-, S2-, NO2-, S2O32-, CrO42-, C2O42-, AsO33-, AsO43-, SO42-, F-, PO43-, and BO2- with methanol-n-butanol-water (3 : 1 : 1) on a plate of HCl-treated silica gel containing 5% soluble starch and 5% sodium carbonate and the separation of CN- as Hg(CN)2 by acetone-benzene (1 : 1) on a plate of the silica gel containing 5% soluble starch were successfully carried out. Fuchsin for SO32-, 5% silver nitrate for S2- and cupric-acetate benzidine-acetate for Hg(CN)2 were satisfactorily as the identification reagent.
社団法人日本分析化学会の論文