Polarographic estimation of soluble silica in uranyl nitrate

Sundaram, A. K. ; Sudaresan, M. (1958) Polarographic estimation of soluble silica in uranyl nitrate Analytica Chimica Acta, 19 . pp. 601-603. ISSN 0003-2670

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00032...

Related URL: http://dx.doi.org/10.1016/S0003-2670(00)88227-6

Abstract

A method is described for the estimation of soluble silica in uranyl nitrate based on the polarographic reduction of the silicoinolybdate complex. Amounts as low as 2 p.p.m. of silica, in uranyl nitrate can be estimated with an error less than 10%, no separations being involved. Vanadium and iron interfere and amounts above 5 and 1 p.p.m. respectively, cannot be tolerated.

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