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A fluorometric method for determining trace quantities of phosphate

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Summary

A method has been developed for the determination of microgram quantities of phosphate based upon fluorescence quenching by phosphate of the aluminum-morin chelate. A variety of other metal-chelates of aluminium, gallium, and zirconium with morin, 3-hydroxyflavone, and quercetin were examined but none proved as satisfactory as the aluminummorin for the determination of phosphate.

Zusammenfassung

Ein Verfahren zur Bestimmung von Mikrogrammengen Phosphat wurde entwickelt. Es beruht auf der Fluoreszenzlöschung von Aluminmm-Morin-Chelat durch Phosphat. Eine Reihe anderer Chelate des Aluminiums, Galliums und Zirkons mit Morin, 3-Hydroxyflavon und Quercetin erwies sich für diesen Zweck nicht geeignet.

Résumé

On a mis au point une méthode pour le dosage des phosphates en quantités de l'ordre du microgramme; elle repose sur l'extinction de la fluorescence du chélate aluminium-morin par les phosphates. On a examiné divers autres chélates métalliques de l'aluminium, du gallium et du zirconium avec le morin, l'hydroxy-3 flavone et la quercétine, mais aucun d'entre eux ne s'est montré aussi satisfaisant que le système aluminium-morin pour le dosage des phosphates.

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Author notes

  1. David B. Land

    Present address: U. S. Naval Applied Science Laboratories, Naval Base, Brooklyn, N. Y.

Authors and Affiliations

  1. Department of Chemistry, The City College, City University of New York, 10031, New York, N. Y., USA

    David B. Land & Sylvan M. Edmonds

Authors
  1. David B. Land
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  2. Sylvan M. Edmonds
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Additional information

The opinions or assertions contained in this paper are the private ones of the authors and are not to be construed as official or reflecting the views of the Naval Service at large.

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Land, D.B., Edmonds, S.M. A fluorometric method for determining trace quantities of phosphate. Mikrochim Acta 54, 1013–1023 (1966). https://doi.org/10.1007/BF01217704

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  • DOI: https://doi.org/10.1007/BF01217704

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