Elsevier

Journal of Chromatography A

Volume 250, 26 November 1982, Pages 55-61
Journal of Chromatography A

High-performance liquid chromatography of inorganic anions using Fe3+ as a detection reagent

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Abstract

Fe3+ was examined as a detection reagent in the analysis of inorganic anions by high-performance liquid chromatography. The chromatographic conditions were: the stainless-steel tube was packed with TSK-GEL IEX-520 QAE: 0.05 M sodium acetate buffer (pH 5.48) containing 0.05 M sodium nitrate was used as eluent; and 0.08 M perchloric acid containing 0.05 M iron(III) perchlorate was chosen as a complex-forming reagent. Under these conditions, chloride, sulphate and thiocyanate ion were determined in the range 2-500 nmol, and phosphate, nitrite and thiosulfate ion in the range 8-500 nmol.

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