FLOW-INJECTION METHOD FOR THE DETERMINATION OF TIN IN FRUIT JUICES USING SOLID-PHASE SPECTROPHOTOMETRY

被引：46

作者：

CAPITANVALLVEY, LF

VALENCIA, MC

MIRON, G

机构：

[1] Department of Analytical Chemistry, University of Granada

来源：

ANALYTICA CHIMICA ACTA | 1994年 / 289卷 / 03期

关键词：

FLOW INJECTION; UV-VISIBLE SPECTROPHOTOMETRY; FRUIT JUICES; TIN;

D O I：

10.1016/0003-2670(94)90013-Z

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An integrated solid-phase spectrophotometric-flow-injection method is proposed for the determination of tin in fruit juices. The complex formed between Sn(IV) and Pyrocatechol Violet in the flow system is concentrated on Sephadex QAE A-25 gel packed in a flow cell. The analytes are monitored by UV-visible spectrophotometry at 576 nm. The method shows a detection limit of 0.3 ng ml(-1) and a linear range of 2-40 ng ml(-1).

引用

页码：365 / 370

页数：6

共 16 条

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