A new reagent for the colorimetric and spectrophotometric determination of phosphorus,arsenic and germanium |
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| Authors: | F. Lucena-Conde L. Prat |
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| Affiliation: | Laboratories of Analytical Chemistry, University of Salamanca Spain |
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| Abstract: | A new reagent for the colorimetric and spectrophotometric determination of phosphorus, arsenic and gurmanium is described. It contains Mo(Vl) amd Mo(V) in the ratio of 3 : 2 in an acid medium, 10N with respect to H2SO4 and 3N with respect to HCl.The absorption spectra, the influence of temperature, time, quantity of reagent and selectivity of the method have been studied. Beer's law is applicable up to 160 μg for P2O5, 220 μg for GeO2 and 230 μg for arsenic, in 50 ml. |
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