Spectrophotometric Determination of Nitrite Ion with Pyrogallol Red-Molybdenum(VI) Complex

被引：0
|
作者：
Ikeda, Chiho [1 ]
Nakahara, Ryosuke [1 ]
Nishioka, Yuka [1 ]
Kurokawa, Hisashi [1 ]
Yamaguchi, Takako [1 ]
Fujita, Yoshikazu [1 ]
机构：
[1] Osaka Univ Pharmaceut Sci, Takatsuki, Osaka 5691094, Japan
来源：
BUNSEKI KAGAKU | 2009年 / 58卷 / 08期
关键词：
nitrite ion; pyrogallol red-molybdenum(VI) complex; spectrophotometry; AQUEOUS-SOLUTION; WATER;
D O I：
10.2116/bunsekikagaku.58.675
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A spectrophotometric method for the determination of nitrite ion was established based on a fading of the pyrogallol red-molybdenum(VI) complex in the presence of sodium dodecylsulfate, an anionic surfactant. This method can be used to determine 40 similar to 460 ng mL(-1) nitrite ion; the effective molar absorptivity at 535 nm and the relative standard deviation were 1.0 x 10(5) L mol(-1) cm(-1) and 1.92% (n = 6), respectively. This procedure is much more sensitive than that using a diazotization reaction. Recoveries of nitrite ion from real samples (rain water and commercial drinking water) were within 96.9 similar to 100%.
引用
收藏
页码：675 / 679
页数：5
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