ONLINE DETERMINATION OF SULFITE IN BRINE BY FLOW-INJECTION ANALYSIS

被引：20

作者：

MACLAURIN, P

PARKER, KS

TOWNSHEND, A

WORSFOLD, PJ

BARNETT, NW

CRANE, M

机构：

[1] UNIV HULL,SCH CHEM,HULL HU6 7RX,N HUMBERSIDE,ENGLAND

[2] ICI CHEM & POLYMERS LTD,RUNCORN WA7 4QD,CHESHIRE,ENGLAND

[3] ICI PLC,DEPT ENGN,NORTHWICH CW8 4DJ,CHESHIRE,ENGLAND

来源：

ANALYTICA CHIMICA ACTA | 1990年 / 238卷 / 01期

关键词：

Brine; Potassium chloride; Process analysis; Sulphite;

D O I：

10.1016/S0003-2670(00)80534-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A spectrophotometric flow-injection procedure for the determination of sulphite in aqueous media over the range 0.5-20 mg 1-1 is described. The reagent used was the organic disulphide 5,5′-dithiobis(2-nitrobenzoic acid). Results are presented for a laboratory-based method for sulphite in water and a potential on-line method for sulphite in high ionic strength potassium chloride brine. The general attractions of flow-injection-based monitors for the on-line analysis of liquid process streams are also discussed. © 1990.

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收藏

页码：171 / 175

页数：5

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