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

页码：675 / 679

页数：5

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