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Microwave as an alternative to sample preparation in the foliar tissue silicon ...
Pereira, Claudia Mara; Hansel, Fabrício Augusto; Radomski, Maria Izabel; Verdeckin, Maisa GottardoThe aim of this work was to test the viability of microwave digestion for the colorimetric determination of silicon in foliar tissues of wood species. In the test, the correlation coefficient was 0.998 in the concentration range of 0.4 to 7 mg.g-1. Spiked cellulose samples were used and the recovery was high than 90 % in two tested concentrations (2 e 4 mg.g-1). The obtained coefficients of variation were equal...
Date: 2010
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Origin: Oasisbr