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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Analytical and Bioan...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Analytical and Bioanalytical Chemistry
Article . 1967 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Radiokomplexometrische Bestimmung von Cyanocobalamin

Authors: J. Konečný; J. Tölgyessy; M. Šaršúnová;

Radiokomplexometrische Bestimmung von Cyanocobalamin

Abstract

Zur Bestimmung von Cyanocobalamin wird folgendes Verfahren empfohlen: Das aus der Verbindung mit Ozon in Freiheit gesetzte Kobalt wird mit radioaktivem 60Co versetzt und an einem Kationenaustauscher adsorbiert, dessen Aktivitat gemessen wird. Durch Reaktion mit einer substochiometrischen Menge an ADTA wird dann eine aliquote Menge des Kobalts vom Austauscher gelost und die restliche Aktivitat gemessen. Die Differenz der Aktivitaten ist der ursprunglichen Menge an Cyanocobalamin proportional, die aus einer Eichkurve entnommen wird. Das Verfahren ergibt befriedigende Werte.

  • BIP!
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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    6
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
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