Solid-Phase Spectrophotometric Determination of Cobalt(II) in Tap Water and Beverages Using 2-(5-Bromo-2-pyridylazo)-5-[N-propyl-N-(3-sulfopropyl)amino]phenol after Preconcentration as the 1-(2-Pyridylazo)-2-naphthol Complex

Analytical Sciences

Volumn 14, Issue 2, 1998, Pages 337-341

  Shima, Chikako ^a   Nukatuka, Isoshi ^a   Ohzeki, Kunio ^a  

^a HIROSAKI UNIVERSITY   (Japan)

Author keywords

5 Br PAPS; Cobalt; Membrane extraction; PAN; Solid phase spectrophotometry

Indexed keywords

BEVERAGES; COBALT; FILTERS (FOR FLUIDS); MEMBRANE TECHNOLOGY; NAPHTHOL; PHENOLS; SPECTROPHOTOMETRY;

1-(2-PYRIDYLAZO)-2-NAPHTHOL; 5-BR-PAPS; DODECYLBENZENE SULFONATES; MEMBRANE EXTRACTION; MEMBRANE FILTERS; PRE-CONCENTRATION; SOLID-PHASE SPECTROPHOTOMETRIC DETERMINATIONS; SOLID-PHASE SPECTROPHOTOMETRY;

COBALT COMPOUNDS;

EID: 0032396728     PISSN: 09106340     EISSN: None     Source Type: Journal    
DOI: 10.2116/analsci.14.337     Document Type: Article

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