Anion exchange of gold chloro complexes on carbon paste electrode modifiedwith montmorillonite for determination of gold in pharmaceuticals

Authors
Kula, P Navratilova, Z
Citation
P. Kula et Z. Navratilova, Anion exchange of gold chloro complexes on carbon paste electrode modifiedwith montmorillonite for determination of gold in pharmaceuticals, ELECTROANAL, 13(8-9), 2001, pp. 795-798
Citations number
17
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences
Journal title
ELECTROANALYSIS
ISSN journal
10400397 → ACNP
Volume
13
Issue
8-9
Year of publication
2001
Pages
795 - 798
Database
ISI
SICI code
1040-0397(200105)13:8-9<795:AEOGCC>2.0.ZU;2-V
Abstract
Anion exchange of tetrachloroaurates on carbon paste electrode modified wit h montmorillonite was studied in dependence on pH and concentration of chlo rides in a sorption medium. Anion sorption of [AuCl4](-) was used as a prec oncentration step to the determination of gold in a pharmaceutial preparati on. First investigation of a possibility to use this method to determinatio n of gold in blood serum was performed. The limit of determination of 8.12 x 10(-7) mol/L gold in a sample simulating an inorganic part of serum can b e achieved.