VOLTAMMETRIC DETERMINATION OF ALUMINUM IN HEMODIALYSIS CONCENTRATES USING THE ADSORPTION OF THE AL(III)-1,2-DIHYDROXYANTRAQUINONE-3-SULFONIC ACID COMPLEX IN PRESENCE OF CALCIUM

被引：17

作者：

CARRERA, ME ^{[1
]}

RODRIGUEZ, V ^{[1
]}

TORAL, MI ^{[1
]}

RICHTER, P ^{[1
]}

机构：

[1] UNIV CHILE, FAC SCI, DEPT CHEM, SANTIAGO, CHILE

来源：

ANALYTICAL LETTERS | 1993年 / 26卷 / 12期

关键词：

ALUMINUM; ADSORPTION STRIPPING VOLTAMMETRY; SENSITIZATION BY CALCIUM; HEMODIALYSIS CONCENTRATES;

D O I：

10.1080/00032719308017975

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper describes a method for the quantitative determination of aluminium in haemodialysis concentrates, based on the adsorption on a static mercury drop electrode of the Al-1,2 dihydroxyantraquinone-3-sulphonic acid complex. The signal was notably increased in presence of calcium. The electrolysis was carried out at -0.900 V. After 60 sec the aluminium contents were measured by differential pulse voltammetry. In these conditions aluminium can be determined in the range 0.65 - 30 ng/ml with a detection limit (3sigma) of 0.20 ng/ml. The relative standard deviation was in all instances less than 2.1 %.

引用

页码：2575 / 2585

页数：11

共 8 条

[1]

CHIANG L, 1989, MIKROCHIM ACTA, V2, P149

[2]

Gitelman HJ, 1988, ALUMINIUM HLTH CRITI

[3]

KOLTHOFF IM, 1952, POLAROGRAPHY, V2, P513

[4] THE REACTION OF ALUMINIUM IONS WITH ALIZARIN-3-SULPHONATE WITH PARTICULAR REFERENCE TO THE EFFECT OF ADDITION OF CALCIUM IONS [J].