Ultra-trace analysis of nitrite in food samples by flow injection with spectrophotometric detection

被引：14

作者：

Ensafi, AA ^{[1
]}

Dehaghei, GB ^{[1
]}

机构：

[1] Isfahan Univ Technol, Coll Chem, Esfahan, Iran

来源：

FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY | 1999年 / 363卷 / 01期

关键词：

D O I：

10.1007/s002160051158

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A flow injection system with spectrophotometric detection is proposed for the determination of low levels of nitrite based on its catalytic effect on the oxidation of gallocyanine by bromate in acidic media. Various analytical parameters such as acidity, reagent concentration, flow rate, sample size, time, temperature, and interfering species were studied. The calibration graph was linear for 0.020-0.500 mu g/mL of nitrite. The method is successfully applied to food samples. Up to 30 +/- 5 samples can be analyzed per hour.

引用

页码：131 / 133

页数：3

共 17 条

[1] KINETIC SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF NITRITE ION USING ITS REACTION WITH NEUTRAL RED
AFKHAMI, A
MOGHARNESBAND, AA
[J]. ANALYTICAL LETTERS, 1994, 27 (05) : 991 - 1000
[2] SPECTROMETRIC DETERMINATION OF NITRITE IN AQUEOUS-SOLUTION BY THE DIAZOTIZATION-COUPLING METHOD WITH PARA-AMINOBENZOPHENONE-N-(1-NAPHTHYL)-ETHYLENEDIAMINE
ALHATIM, AA
[J]. INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY, 1990, 38 (04) : 617 - 622
[3] SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF NITRITE AND NITRATE BY FLOW INJECTION ANALYSIS
ANDERSON, L
[J]. ANALYTICA CHIMICA ACTA, 1979, 110 (01) : 123 - 128
[4] Chen XG, 1996, ANAL LETT, V29, P2015
[5] DETERMINATION OF NITRATE AND NITRITE IN BLOOD AND URINE BY CHEMI-LUMINESCENCE
COX, RD
FRANK, CW
[J]. JOURNAL OF ANALYTICAL TOXICOLOGY, 1982, 6 (03) : 148 - 152
[6] KINETIC SPECTROPHOTOMETRIC DETERMINATION OF LOW-LEVELS OF NITRITE BY CATALYTIC REACTION BETWEEN PYROGALLOL RED AND BROMATE
ENSAFI, AA
SAMIMIFAR, M
[J]. TALANTA, 1993, 40 (09) : 1375 - 1378
[7] KINETIC-SPECTROPHOTOMETRIC DETERMINATION OF TRACE AMOUNTS OF SELENIUM WITH CATALYTIC REDUCTION OF GALLOCYANINE BY SULFIDE
ENSAFI, AA
DEHAGHI, GB
[J]. ANALYTICAL LETTERS, 1995, 28 (02) : 335 - 347
[8] HIGHLY SENSITIVE SPECTROPHOTOMETRIC KINETIC DETERMINATION OF VANADIUM BY CATALYTIC EFFECT ON THE GALLOCYANINE-BROMATE REACTION
ENSAFI, AA
KAZEMZADEH, A
[J]. ANALYTICA CHIMICA ACTA, 1994, 298 (01) : 27 - 32
[9] SPECTROPHOTOMETRIC REACTION-RATE METHOD FOR THE DETERMINATION OF OSMIUM BY ITS CATALYTIC EFFECT ON THE OXIDATION OF GALLOCYANINE BY BROMATE
ENSAFI, AA
SOLLARI, ESE
[J]. TALANTA, 1994, 41 (10) : 1651 - 1655
[10] ENSAFI AA, 1995, J SCI-ISLAM REPUB IR, V6, P215

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