IAP-4S螯合物和离子对反相高效液相色谱测定铁、钴和镍

高等学校化学学报 ›› 1992, Vol. 13 ›› Issue (5): 599.

IAP-4S螯合物和离子对反相高效液相色谱测定铁、钴和镍

林长山¹, 张孝松¹, 刘学著¹, 冯建章², 童沈阳²

1. 中国科学技术大学应用化学系, 合肥, 230026;
2. 北京大学化学系

收稿日期:1991-04-12 出版日期:1992-05-24 发布日期:1992-05-24
通讯作者: 林长山

Determination of Fe, Co and Ni in Their Chelates with IAP-4S by Ion-Pair Reversed-Phase High-Performance Liquid Chromatography

LIN Chang-shan¹, ZHANG Xiao-song¹, LIU Xue-zhu¹, FENG Jian-zhang², TONG Shen-yang²

1. Dept.of Applied Chem., University of Science and Technology of China, Hefei, 230026;
2. Department of Chemistry, Peking University, Beijing

Received:1991-04-12 Online:1992-05-24 Published:1992-05-24

摘要/Abstract

关键词: 铁、钴和镍的测定, 2-(2-咪唑偶氮)-苯酚-4-磺酸(IPA-4S), 镍矿

Abstract: The chelates of iron, cobalt and nickel with 2-(2-imidazolylazo)-phenol-4-sulphonic acid IAP-4Swere separated on a column (250×4 mm) of Nucleosil C₁₈(5μm) with a mobile phase (0.7 mL/min) of methanol-water (30:70, V/V) containing 0.01 mol/L KH₂PO₄-Na₂HPO₄ buffer (pH 7.5) and 2×10^-3 mol/Ltetrabutyl ammonium bromide, and were detected at 550 nm.The calibration graphs are rectilinear from 0.1～5 ppm for iron, 0.05～5 ppm for both cobalt and nickel.The detection limits are 0.25 ng for iron, 0.16 ng for both cobalt and nickel.The method was applied to the analysis of real samples.

Key words: Determination of iron, cobalt and nickel, 2-(2-imidazolylazo)-phenol-4-suIphonic acid, Nickel ore

TrendMD:

林长山, 张孝松, 刘学著, 冯建章, 童沈阳. IAP-4S螯合物和离子对反相高效液相色谱测定铁、钴和镍. 高等学校化学学报, 1992, 13(5): 599.

LIN Chang-shan, ZHANG Xiao-song, LIU Xue-zhu, FENG Jian-zhang, TONG Shen-yang. Determination of Fe, Co and Ni in Their Chelates with IAP-4S by Ion-Pair Reversed-Phase High-Performance Liquid Chromatography. Chem. J. Chinese Universities, 1992, 13(5): 599.