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Original Articles

Influence of Nitrate on the Determination of Hexoses in Photographic Gelatin by Reaction with Anthrone

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Pages 99-100 | Received 17 Feb 1982, Published online: 21 Jul 2016
 

Abstract

It is shown that nitrate interferes in the determination of hexoses in photographic gelatin by coloured reaction with anthrone and a method is described to remove this interference.

Il est montré que les dosages des hexoses dans les gélatines photographiques, par réaction colorée avec l’anthrone, sont entachés d’une erreur par excès lorsque les gélatines analysées contiennent des nitrates. Description d’une méthode permettant d’éviter cette erreur.

Zusammenfassung

Es wird gezeigt, dass die Anwesenheit von Nitrat bei der Bestimmung von Hexosen in fotografischen Gelatinen störend wirkt durch Ausbildung eines gefärbten Reaktionsproduktes mit Anthron. Eine Methode zur Vermeidung dieser Störung wird beschrieben.

Riassunto

Viene dimostrato che i nitrati interferiscono nella determinazione degli esosi nella gelatina fotografica mediante la reazione con antrone e si descrive un metodo per eliminare tale interferenza.

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