Electronic Resource
Springer
Fresenius' journal of analytical chemistry
367 (2000), S. 369-372
ISSN:
1432-1130
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Sorption of gold(III) chlorocomplexes was studied by means of a carbon paste electrode modified with montmorillonite. Anionic exchange behavior was found in chloride media with low ionic strength. Anionic sorption of [AuCl4]– can be used as a preconcentration step to the determination of Au(III). Linear calibration dependences were found in the concentration range 4.06 × 10–6– 1.22 × 10–5 mol/L Au(III) after 5 min of sorption and in the range 8.12 × 10–7– 6.1 × 10–6 mol/L after 10 min of sorption. Interferences of several anions and cations were studied. Model samples of table water were analyzed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s002160000401
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