高等学校化学学报

高等学校化学学报 ›› 1992, Vol. 13 ›› Issue (9): 1188.

• 论文 • 上一篇    下一篇

4-(2-苯并噻唑偶氮)间苯二酚反相高效液相色谱分离和测定钒(Ⅴ)、铜(Ⅱ)、铁(Ⅲ)、钴(Ⅱ)和镍(Ⅱ)

张华山, 史自东, 程介克   

  1. 武汉大学化学系, 武汉, 430072
  • 收稿日期:1991-11-30 出版日期:1992-09-24 发布日期:1992-09-24
  • 通讯作者: 程介克
  • 基金资助:

    国家自然科学基金

Separation and Determination for Trace of Iron(Ⅲ),Cobalt(Ⅱ),Nickel(Ⅱ),Copper(Ⅱ) and Vanadium(Ⅴ) with 4-(2-BenzothiazolyIazo) Resorcinol by Reversed-Phase High-Performance Liquid Chromatography

ZHANG Hua-Shan, SHI Zi-Dong, CHENG Jie-Ke   

  1. Department of Chemistry, Wuhan University, Wuhan, 430072
  • Received:1991-11-30 Online:1992-09-24 Published:1992-09-24

PDF (PC)

被引次数

10

摘要： 以4-(2-苯并噻唑偶氮)间苯二酚作柱前衍生试剂,CLC-C8为固定相,甲醇-水(68:32,V/V)含2×10-3mol/LTBA·Br为流动相,在波长550nm处光度检测.可分离和测定Cu(Ⅱ)、V(Ⅴ)、Co(Ⅱ)、Fe(Ⅲ)和Ni(Ⅱ)。检出限分别为2.5×10-1ngCu、9×10-2ngV、1.3×10-1ngCo、1.4×10-1ng Fe和2.9×10-1ng Ni.方法应用于保证纯及分析纯盐酸试样分析,获得满意的结果.

关键词: 反相高效液相色谱, 钒, 铜, 铁, 钴, 镍, 4-(2-苯并噻唑偶氮)间苯二酚

Abstract: This paper reports the separation and determination of Fe(Ⅲ),Co(Ⅱ),Ni(Ⅱ),Cu (Ⅱ),and Ⅴ(Ⅴ) by reversed-phase HPLCwith 4-(2-benzothiazolylazo) resorcinol as a precol-umn derivatizing reagent.On C8 column,the five complexes can be separated quantitatively in the mobile phase of 68/32 (Ⅴ/Ⅴ) methanol/water system (containing2 mmol/Ltetrabutyiam-monium bromide(TBA·Br),pH 4.2 HAc-NaAc buffer solution.The detection limits are 2.5×10-1 ng for Cu,9×10-2 ng for V,1.3×10-1ng for Co,1.4×10-1 ng for Fe and 2.9×10-1 ng for Ni,respectively,when signal-to-noise ratio is 2.The method has been used in the analysis of reagent grade hydrochloric acid,and the results are satisfactory.

Key words: Reversed-phase high-performance liquid chromatography, Vanadium, Copper, Iron, Cobalt, Nickel, 4-(2-Benzothiazolylazo) resorcinol

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