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Substoichiometric extraction of phosphorus

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Abstract

A study of the substoichiometric extraction of phosphorus is described. Phosphorus was extracted in the form of ternary compounds such as ammonium phosphomolybdate, 8-hydroxyquinolinium phosphomolybdate, tetraphenylarsonium phosphomolybdate and tri-n-octylamine phosphomolybdate. Consequently, phosphorus was extracted substoichiometrically by the addition of a substoichiometric amount of molybdenum for all four phosphomolybdate compounds. On the other hand, phosphorus could be separated substoichiometrically with a substoichiometric amount of tetraphenylarsonium chloride or tri-n-octylamine. Stoichiometric ratios of these ternary compounds obtained substoichiometrically were 1∶12∶3 for phosphorus, molybdenum and organic reagent. Applicability of these compounds to phosphorus determination was also discussed.

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Authors and Affiliations

  1. Ibaraki Electrical Communication Laboratory, Nippon Telegraph and Telephone Public Corporation, Tokai, Ibaraki, (Japan)

    T. Shigematsu & K. Kudo

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  1. T. Shigematsu
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  2. K. Kudo
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Shigematsu, T., Kudo, K. Substoichiometric extraction of phosphorus. J. Radioanal. Chem. 67, 25–36 (1981). https://doi.org/10.1007/BF02516226

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  • DOI: https://doi.org/10.1007/BF02516226

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