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Studies in qualitative inorganic analysis. Part XLIII

The lanthanum nitrate test for the benzoate anion and the detection of benzoate in the presence of salicylate

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Summary

A sensitive and convenient test is proposed for benzoate, in which the anion gives a colour reaction with lanthanum nitrate in the presence of iodine and ammonia. Benzoate has been identified in the presence of salicylate by thin-layer chromatography.

Zusammenfassung

Ein empfindlicher und brauchbarer Nachweis von Benzoat wurde vorgeschlagen, dem eine Farbreaktion mit Lanthannitrat in Gegenwart von Jod und Ammoniak zugrundeliegt. In Gegenwart von Salicylat wird Benzoat dünnschichtchromatographisch identifiziert.

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References

  1. G. Marr andB. W. Rockett, Mikrochim. Acta [Wien]1970, 83.

  2. F. Feigl, Spot Tests, Vol. II, Organic Applications, 6th Ed. Amsterdam: Elsevier. 1960, p. 368.

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  3. Midland Association for Qualitative Analysis, Semimicro Qualitative Inorganic Analysis, Advanced Scheme, Birmingham: Stanford & Mann 1971.

  4. B. W. Rockett andM. Kirby, Mikrochim. Acta [Wien]1968, 1277.

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Authors and Affiliations

  1. Department of Physical Sciences, The Polytechnic, Wolverhampton, England

    G. Marr & B. W. Rockett

Authors
  1. G. Marr
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  2. B. W. Rockett
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Additional information

Part XLII: Mikrochim. Acta [Wien]1972, 188.

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Marr, G., Rockett, B.W. Studies in qualitative inorganic analysis. Part XLIII. Mikrochim Acta 60, 518–521 (1972). https://doi.org/10.1007/BF01217957

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  • DOI: https://doi.org/10.1007/BF01217957

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