Potentiometric titration of sulphate, sulphite and dithionate mixtures, with use of a lead ion-selective electrode.
Simple methods are described for the analysis of sulphate, sulphite and dithionate mixtures by potentiometric titration with lead perchlorate (and use of a lead ion-selective electrode). The error and precision are both about 2-5% for the sulphate concentration range 3 x 10(-3) -6 x 10(-4)M. The sulphur content in fuels derived from refuse was determined by potentiometric titration after bomb-combustion and the results compared favourably with those from the standard BaSO(4) gravimetric method.
Siskos
P A
PA
Laboratory of Analytical Chemistry, University of Athens, 104 Solonos St., Athens 144, Greece.
Diamandis
E P
EP
Gillieron
E
E
Colbert
J C
JC