Electrod senzitiv în prezența ionilor Cr3+ [Articol]
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CEP USM
Abstract
The purpose of this work was to study several substances as ionophores
for PVC matrix electrodes, sensitive to the presence of Cr3+ ions. The best
results showed the electrode based on N1N5-bissalicillidene-S-
methylizothiocarbohydrazone ionophore. Measurements were made in
different Cr3+ salt solutions, but those in Cr2(SO4)3 solutions proved to be the most successful:S = -20.2 mV / decade L.D = 1·10-4. Optimum pH range 0 to 2.
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BELCOVICI, Alexandra. Electrod senzitiv în prezența ionilor Cr3+. In: Analele ştiinţifice ale USM. Științe ale naturii și exacte. Științe umanistice. Ch.: CEP USM, 2019, pp. 13-15. ISBN 978-9975-149-57-0.