Fast-scan differential pulse polarography in pre-enriched solution

Fast-scan differential pulse polarography is a suitable method for the determination of trace amounts of amalgam forming metals in electrochemically enriched solution. The metal ions analyzed are first accumulated on the surface of a hanging mercury electrode by electrolysis at constant potential, a...

Full description

Saved in:
Bibliographic Details
Published in:Journal of electroanalytical chemistry and interfacial electrochemistry 1981-01, Vol.127 (1), p.255-261
Main Authors: Kopanica, M., Stará, V.
Format: Article
Language:English
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Fast-scan differential pulse polarography is a suitable method for the determination of trace amounts of amalgam forming metals in electrochemically enriched solution. The metal ions analyzed are first accumulated on the surface of a hanging mercury electrode by electrolysis at constant potential, approx. 200 mV more negative than is the half-wave potential of the corresponding metal ion. After a short oxidation interval the reformed metal ions are determined by cathodic potential scan with differential pulse technique. The sensitivity of the determination is equal to that of ASDPP determination; the sensitivity and selectivity can be improved by the addition of reagents forming insoluble compound with the metal ions analyzed.
ISSN:0022-0728
DOI:10.1016/S0022-0728(81)80484-6