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A new, simple, rapid, sensitive and selective spectrophotometric kinetic   method for Ag(I) traces determination at room temperature was elaborated in   this paper. It is based on catalytic effect of silver ions upon the oxidation   of methylene blue B (MBB) by K2S2O8 (PPS) in citric buffer (BUF) solution.   The method was confirmed by determination of Ag(I) in PbO. The obtained   results were compared to those obtained by ICP-OES method and good agreement   of results was found. [Projekat Ministarstva nauke Republike Srbije, br.   172051

hemijska industrija

Analytical application of the reaction system methylene blue B-K2S2O8 for the spectrophotometric kinetic determination of silver in citric buffer media