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Determination of phosphorus in organic compounds: A new micro procedure

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Summary

A new micro procedure for the determination of phosphorus in organic compounds has been developed. It is based on the yellow complex produced by mixing ammonium vanadate, molybdate, and phosphate. The procedure is rapid, simple, and suited for series determinations; the reagents and the colored compounds are stable. A precision of ± 0.2% phosphorus is obtained with samples of 3 to 10 mg weight.

Zusammenfassung

Das beschriebene Mikroverfahren für die Phosphorbestimmung in organischen Substanzen beruht auf der photometrischen Auswertung des gelben Komplexes mit Vanadat und Molybdat. Es ist einfach, schnell, und für Serienbestimmungen geeignet. Die dafür nötigen Reagenzien sind gut haltbar, die gefärbte Verbindung ist beständig. Eine Genauigkeit von ± 0.2% Phosphor wird mit Probemengen von 3 bis 10 mg erhalten.

Résumé

On présente un micro-procédé de dosage du phosphore dans des composés organiques. Il repose sur le complexe jaune produit en mélangeant des vanadate, molybdate et phosphate d'ammonium. Le procédé est rapide, simple et convenable pour les dosages en série. Les réactifs et les composés colorés sont stables. Une précision de ± 0,2% sur le phosphore est obtenue avec des échantillons allant de 3 à 10 mg.

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Authors and Affiliations

  1. Department of Chemistry, New York University, New York

    T. S. Ma & John D. McKinley Jr.

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  1. T. S. Ma
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  2. John D. McKinley Jr.
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Ma, T.S., McKinley, J.D. Determination of phosphorus in organic compounds: A new micro procedure. Mikrochim Acta 41, 4–13 (1953). https://doi.org/10.1007/BF01215760

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  • DOI: https://doi.org/10.1007/BF01215760

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