β-Cyclodextrin Polymer Adsorbed Resin Phase Spectrophotometric Determination of Copper Using Pan
- 1 July 1997
- journal article
- spectrometry
- Published by Taylor & Francis in Analytical Letters
- Vol. 30 (9) , 1685-1696
- https://doi.org/10.1080/00032719708001687
Abstract
β-Cyclodextrin polymer (β-CDP) adsorbed resin phase spectrophotometry with 1- (2-pyridylazo) -2-naphthol (PAN) has been developed for determination of copper at the μg level in soybean and human hair. Cobalt, nickel, zinc and manganese, which form colored species with PAN in the resin phase, can be completely masked with a solution composed of phenanthroline (2.78×10−5 mol/1) and sodium hexametaphosphate (3.27×10−3 mol/1).Keywords
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