An improved spectrophotometric determination of silicate in water based on molybdenum blue |
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| Authors: | R. Ramachandran P.K. Gupta |
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| Affiliation: | Analytical Chemistry Division, National Physical Laboratory, New Delhi-110 012 India |
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| Abstract: | Silicate in water is determined by a heteropoly blue method with ascorbic acid and antimony as reducing agents; antimony does not participate in the complex but enhances the absorbance. The method is comparatively fast and sensitive. Beer's law is obeyed for 0.02–1.2 μg ml?1 silica. Interferences are discussed. |
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