FLOW-INJECTION METHOD FOR SULFIDE DETERMINATION USING AN ORGANIC MERCURY COMPOUND

被引:6
作者
YAQOOB, M [1 ]
ANWAR, M [1 ]
MASOOD, AS [1 ]
MASOOM, M [1 ]
机构
[1] UNIV BALOCHISTAN,INST BIOCHEM,QUETTA,PAKISTAN
关键词
SULFIDE; FLOW INJECTION; P-CHLOROMERCURBENZOIC;
D O I
10.1080/00032719108052928
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A simple flow injection analysis method is described for the determination of soluble sulphide, based on the complexation of sulphide with p-hydroxymercurbenzoic acid, in the presence of dithizone used as an indicator. The reaction is very rapid, with a sampling rate of 90/hr, and requires a very short length post injection reaction coil. The detection limit and precision are 0.01 mM and 0.7%, respectively.
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页码:581 / 588
页数:8
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