Extraction voltammetric determination of silicon
Identifieur interne : 002C33 ( Main/Curation ); précédent : 002C32; suivant : 002C34Extraction voltammetric determination of silicon
Auteurs : A. Möller [Allemagne] ; I. Helms [Allemagne] ; G. Henze [Allemagne] ; F. Scholz [Allemagne]Source :
- Fresenius' Journal of Analytical Chemistry [ 0937-0633 ] ; 1993-08-01.
Abstract
Summary: A determination of silicon is described which utilizes the selective extraction of molybdosilicic acid with methyl-iso-butyl-ketone. The extract is mixed with iso-propanol. No additional electrolyte is necessary because sufficient sulphuric acid is coextracted and provides good conductivity. The 3s-limit of detection was found to be 4×10−8 mol l−1 Si. The method was applied to determine silicon in cereals.
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DOI: 10.1007/BF00325800
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