FLOW-INJECTION SPECTROPHOTOMETRIC CATALYTIC METHOD FOR THE DETERMINATION OF RUTHENIUM(III)

被引：18
|
作者：
ALMUAIBED, AM [1 ]
TOWNSHEND, A [1 ]
机构：
[1] UNIV HULL,SCH CHEM,KINGSTON HULL HU6 7RX,N HUMBERSIDE,ENGLAND
来源：
MICROCHEMICAL JOURNAL | 1993年 / 48卷 / 02期
关键词：
D O I：
10.1006/mchj.1993.1092
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A flow injection method is developed for the determination of ruthenium(III) based on its catalysis of the periodate oxidation of the 1,10-phenanthroline-iron(II) complex in the presence of perchloric acid. The calibration graph for Ru(III) obtained by measuring the decrease in the absorbance at 505 nm is linear up to at least 0.12 μg ml-1 with a rsd of 3% at the mid-calibration range. The detection limit and sampling rate are 0.1 ng in 20 μl and 50 h-1, respectively. The interference effects of some metal ions are studied. © 1993 Academic Press. All rights reserved.
引用
收藏
页码：210 / 214
页数：5
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