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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 265 (1947), S. 325-328 
    ISSN: 1618-2650
    Keywords: Best. Von Benzylhydrazin und phenelzin ; Spektralphotometrie ; Reaktion mit Glutacondialdehyd
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Glutacondialdehyd, hergestellt aus Pyridylpyridiniumdichlorid und Natronlauge, reagiert, wenn er im Überschuß vorliegt, in saurer Lösung mit den Monoaminoxydasehemmern Benzylhydrazin und Phenelzin unter Bildung roter Kondensationsprodukte. Diese Farbreaktion bildet die Grundlage der photometrischen Bestimmungsverfahren, bei denen 0,6–100 nMol/ml der Hydrazinderivate bestimmt werden können. Bei 2 nMol/ml betragen die Variationskoeffizienten 3,2 Rel-% für Benzylhydrazin und 5,2 Rel-% für Phenelzin.
    Notes: Abstract Benzylhydraine and phenelzine both of which are inhibitors of monoaminoxidase reactions form red condensation products in their reaction with glutacondialdehyde. The latter compound which was prepared from pyridylpyridinium dichloride and sodium hydroxide has to be in excess concentration. This colour reaction is used in a photometric method to determine 0.6 to 100 nmole/ml of the hydrazine derivatives. The variation coefficients at 2 nmole/ml are 3.2 and 5.2% rel. for benzylhydrazine and phenelzine, respectively.
    Type of Medium: Electronic Resource
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