A method for the determination of phosphorus in organic compounds |
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| Authors: | Robert A. Chalmers D. Adele Thomson |
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| Affiliation: | Chemistry Department , The University, Old AberdeenGreat Britain |
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| Abstract: | The sample is decomposed by heating with nitric and sulphuric acids, the nitric acid is completely removed, and phosphomolybdic acid is formed under carefully controlled conditions of acidity and reduced to molybdenum blue by means of ferrous ammonium sulphate. The colour intensity is measured spectrophotometrically. |
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