Summary
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1.
The fusion of organic compounds with metallic potassium has been used in the decomposition of organophosphorus compounds to determine phosphorus.
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2.
Conditions have been found for stabilizing the resulting potassium phosphide in alkali solution and conditions for oxidizing the phosphide to phosphate.
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3.
Phosphate has been determined by amperometric titration with uranyl acetate using a mercury electrode. Phosphorus can be determined in the presence of S, Hal, N, Me, Si. The error of the method is. ±0.3%,
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Chumachenko, M.N., Burlaka, V.P. The decomposition of organic substances by metallic potassium. Russ Chem Bull 11, 517–521 (1962). https://doi.org/10.1007/BF00904745
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DOI: https://doi.org/10.1007/BF00904745