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HPLC and ninhydrin photometric determination of amino acids in CaCO3 rich lacustrine sediments of the Jura region, France

Published online by Cambridge University Press:  01 February 2009

R. Moilleron ,
A. Berrekhis ,
A. Vidonne  and
F. Rémy
R. Moilleron
Affiliation:
Laboratoire de Chimie des Eaux, EA n° 476, Faculté des Sciences et Techniques, 32, rue Mégevand, F-25000 Besançon, France
A. Berrekhis
Affiliation:
Laboratoire de Chimie des Eaux, EA n° 476, Faculté des Sciences et Techniques, 32, rue Mégevand, F-25000 Besançon, France
A. Vidonne
Affiliation:
Laboratoire de Chimie des Eaux, EA n° 476, Faculté des Sciences et Techniques, 32, rue Mégevand, F-25000 Besançon, France
F. Rémy
Affiliation:
Laboratoire de Chimie des Eaux, EA n° 476, Faculté des Sciences et Techniques, 32, rue Mégevand, F-25000 Besançon, France
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Abstract

A study has been carried out on the acid soluble fraction (hydrosysis at pH 1.5, 3N HCl, 20 % KCl) of organic matter (OM) in the highly calcareous lacustrine sediments of the Jura region, France. Amino acids (AA's) were quantified and determined ninhydrin photometry and HPLC respectively. There was a high degree of interference by calcium in both procedures. The mechanism of interference is explained and methodology adopted to overcome it, by removal of calcium, are dealt with. The results of both methods are compared.

Keywords

amino acidscalciumsedimentlakeHPLCninhydrinacides aminéscalciumsédimentlacCLHPninhydrine
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 32 , Issue 3 , September 1996 , pp. 197 - 204
Copyright
© Université Paul Sabatier, 1996

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