AUTOMATIC TITRATIONS IN UNSEGMENTED FLOW SYSTEMS BASED ON VARIABLE FLOW-RATE PATTERNS .2. COMPLEXOMETRIC AND REDOX TITRATIONS

被引：27

作者：

MARCOS, J

RIOS, A

VALCARCEL, M

机构：

[1] Department of Analytical Chemistry, Faculty of Sciences, University of Córdoba

来源：

ANALYTICA CHIMICA ACTA | 1992年 / 261卷 / 1-2期

关键词：

FLOW SYSTEM; SPECTROPHOTOMETRY; TITRIMETRY; METAL IONS;

D O I：

10.1016/0003-2670(92)80231-U

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Variable flow-rate patterns were used to develop automatic complexometric and redox titration procedures in usegmented continuous-flow systems. Complexometric titrations were carried out by using EDTA as titrant and were applied to single and simultaneous determinations of several metal ions with coloured indicators (spectrophotometric monitoring). Ascorbic acid was also determined by this procedure using N-bromosuccinimide as titrant and iodine-starch as indicator. The methods thus developed were applied to the analysis of real samples.

引用

页码：495 / 503

页数：9

共 10 条

[1] ANALYTICAL POTENTIAL OF FLOW GRADIENTS IN UNSEGMENTED FLOW SYSTEMS [J].