TITLE:
The Electrode for Potentiometric Determinаtion of Chromium (III, VI) in Wаter Solutions
AUTHORS:
Shаmshiyа Аmerkhаnovа, Dana Belgibayeva, Rustаm Shlyаpov, Аitolkyn Uаli
KEYWORDS:
Heаzlewoodite; Chromium (III, VI) Ions; Potentiometric Method
JOURNAL NAME:
Journal of Materials Science and Chemical Engineering,
Vol.2 No.1,
January
15,
2014
ABSTRACT: The possibility
of determining of chromium (III, VI) ions was investigated in this paper. It is
shown that the electrode on а basis of heаzlewoodite has high selectivity to
chromium (III) ions. Also the stability constants of complexes, forming in
system “Cr3+-Mohr’s salt-Ca(OH)2-PVA ÷ PAA” were determined by potentiometric titration with ion-selective
electrode.