Thiovioluric acid as an analytical reagent--I. Gravimetric determination of palladium.
Thiovioluric acid (HTVA) precipitates palladium(II) as the dark-brown complex Pd(TVA)(2) in the pH range 0.3-4.0. It can be used for the gravimetric estimation of palladium(II) alone or in the presence of diverse ions. EDTA, citrate or tartrate can be used to mask Cu(II) and Bi(III). Interference due to Ru(III) has been obviated by the use of citrate as masking agent.
Chawla
R S
RS
Department of Chemistry, University of Delhi, Delhi-7, India.
Dutt
Y
Y
Singh
R P
RP