Study of 2-(2-quinolinylazo)-5-dimethylaminobenzoic acid as a new chromogenic reagent for the spectrophotometric determination of cobalt

Analytical and Bioanalytical Chemistry

Volumn 374, Issue 7-8, 2002, Pages 1318-1324

  Li, Zhong ^a   Guanyu, Yang ^a   Wang, Baoxing ^a   Jiang, Ciqing ^a   Yin, Giayuang ^a  

^a YUNNAN ACADEMY OF TOBACCO SCIENCE   (China)

Author keywords

2 (2 Quinolinylazo) 5 dimethylaminobenzoic acid; Alloys; Biological samples; Cobalt; Spectrophotometry; Vitamin B12; Water

Indexed keywords

ABSORPTION; COBALT; SPECTROPHOTOMETRY;

MOLAR RATIO;

CARBOXYLIC ACIDS;

2 (2 QUINOLINYLAZO) 5 DIMETHYLAMINOBENZOIC ACID; ALLOY; BENZOIC ACID DERIVATIVE; CETRIMIDE; CHROMOGENIC SUBSTRATE; COBALT; CYANOCOBALAMIN; UNCLASSIFIED DRUG; WATER; 2-(2-QUINOLINYLAZO)-5-DIMETHYLAMINOBENZOIC ACID; QUINOLINE DERIVATIVE;

ABSORPTION; ARTICLE; COMPLEX FORMATION; PH; SAMPLING; SPECTROPHOTOMETRY; STANDARD; TECHNIQUE; CHEMISTRY; HAIR; HUMAN; METHODOLOGY; SENSITIVITY AND SPECIFICITY; TEA; TOBACCO; WATER POLLUTANT;

VIOLA (ANGIOSPERM);

BENZOIC ACIDS; CHROMOGENIC COMPOUNDS; COBALT; HAIR; HUMANS; HYDROGEN-ION CONCENTRATION; QUINOLINES; SENSITIVITY AND SPECIFICITY; SPECTROPHOTOMETRY; TEA; TOBACCO; VITAMIN B 12; WATER POLLUTANTS, CHEMICAL;

EID: 0036460774     PISSN: 16182642     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00216-002-1588-0     Document Type: Article

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