UV-visible spectrophotometric, adsorptive stripping voltammetric and capillary electrophoretic study of 2-(5′-bromo-2′-pyridylazo)-5-diethylaminophenol and its chelates with selected metal ions: Application to the determination of Co(III) in vitamin B12

Analytica Chimica Acta

Volumn 323, Issue 1-3, 1996, Pages 97-105

  Oxspring, D A ^a   Maxwell, T J ^a   Smyth, W F ^a  

^a UNIVERSITY OF ULSTER   (United Kingdom)

Author keywords

2 (5 Bromo 2 pyridylazo) 5 diethylaminophenol (PADAP); Cobalt; Electrophoresis; Stripping voltammetry; Uv visible spectrophotometry; Vitamin B12

Indexed keywords

CADMIUM; COBALT; COPPER; CYANOCOBALAMIN; LEAD; METAL ION; NICKEL; ZINC;

ANODIC STRIPPING POTENTIOMETRY; ARTICLE; CHELATION; CONTROLLED STUDY; DRUG DETERMINATION; INTERMETHOD COMPARISON; NONHUMAN; PRIORITY JOURNAL; SPECTROPHOTOMETRY; TECHNIQUE; ZONE ELECTROPHORESIS;

EID: 0029865175     PISSN: 00032670     EISSN: None     Source Type: Journal    
DOI: 10.1016/0003-2670(95)00624-9     Document Type: Article

References (14)

1. Z. Marczenko, Separation and Spectrophotometric Determination of Elements, Ellis Horwood, Chichester, 1986.
2. J. Zhao and W. Jin., J. Electroanal. Chem., 256 (1988) 181.
3. J. Lu and W. Jin, J. Electroanal. Chem., 291 (1990) 49.
4. J. Zhou and R. Neeb, Fresenius' Z. Anal. Chem., 338 (1990) 905.
5. S. Tanaka, K. Sugawara and M. Taga, Talanta, 37 (1990) 1001.
6. J. Zhao and W. Jin, J. Electroanal. Chem., 267 (1989) 271.
7. W. Jin, S. Shi and J. Wang, J. Electroanal. Chem, 291 (1990) 41.
8. S. Motomizu, M. Oshima, M. Kuwabara and Y. Obata, Analyst, 119 (1994) 1787.
9. N. Iki, H. Hoshino and T. Yotsuyanagi, Chem. Lett., (1993) 701.
10. F.B. Regan, M.P. Meaney and S.M. Lunte, J. Chromatogr. B, 657 (1994) 409.
11. D.F. Swaile and M.J. Sepaniak, Anal. Chem., 63 (1991) 179.
12. a Prediction for Organic Acids and Bases, Chapman and Hall, London, 1981.
13. P.G. Gordon and P. Gregory, Organic Chemistry in Colour, Springer Verlag, Berlin, 1983, p. 112.
14. S. Shibata, M. Furukawa and K. Toei, Anal. Chim. Acta, 66 (1973) 397.