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Potassium reagent and process for the determination of potassium ions

Assignee: Merck Patent GmbH
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Filing: 1983-01-14
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Granted: —
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Expires: 2003-01-14
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Abstract

Abstract Translated from German Die Erfindung betrifft ein Kaliumreagens und ein Verfahren zur Bestimmung von Kaliumionen. Das Reagens enthält eine Verbindung der allgemeinen Formel worin n und m = 0 oder 1, X = N oder COH und R = p-Nitrophenylazo, 3-Phenylisothiazolyl-5-azo, Isothiaaolyl-5-azo, Thiazolyl-5-azp, 2, 4, 6-Trinitrophenylazo, p-Nitrostyryl, p-Benzochinoramonoimino und Bis- (p-dimethylaminophenyl) -hydroxymethyl bedeuten. The invention relates to a potassium reagent and a method for determining potassium ions. The reagent contains a compound of the general formula wherein n and m = 0 or 1, X = N or COH and R = p-nitrophenylazo, 3-phenylisothiazolyl-5-azo, isothiaaolyl-5-azo, thiazolyl-5-azp, 2, 4, 6-trinitrophenylazo, p -Nitrostyryl, p-benzoquinoramonoimino and bis (p-dimethylaminophenyl) hydroxymethyl mean. Die Bestimmung von Kaliumionen wird in einem Reaktions-medium aus Wasser und mindestens einem mit Wasser mischbaren organischen Lösungsmittel und in Gegenwart einer organischen Base durchgeführt. The determination of potassium ions is carried out in a reaction medium consisting of water and at least one water-miscible organic solvent and in the presence of an organic base.

Inventors

  • 👤 Rainer Dr. Klink
  • 👤 Detlef Dr. Bodart
  • 👤 Jean-Marie Prof. Lehn
  • 👤 Bernd Helfert
  • 👤 Roland Bitsch

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 14:11
CPC Classifications
C; C07; C07D; C07D498/00; C07D498/02; C07D498/08; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70; C07D498/12; C07D498/18; G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/84

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