Bestimmung des Cobalts (und Nickels) durch Adsorptionsvoltammetrie in Grundlösungen mit Triethanolamin und Dimethylglyoxim

6533b7ddfe1ef96bd1273c25

RESEARCH PRODUCT

Bestimmung des Cobalts (und Nickels) durch Adsorptionsvoltammetrie in Grundlösungen mit Triethanolamin und Dimethylglyoxim

subject

Chemistry Clinical Biochemistry General Materials Science General Medicine Analytical Chemistry Nuclear chemistry

description

Schwach alkalische Losungen von Triethanolamin und NH4C1 sind zur Bestimmung niedriger Co-Gehalte durch Adsorptionsvoltammetrie nach Dimethylglyoximzusatz geeignet. Die Bestimmungsgrenze liegt bei 0,05 ppb Co (Reproduzierbarkeit 3–5%). Ein 250facher Ni-Uberschus und ein 25 000facher Zn-Uberschus storen nicht. Das Verfahren kann zur Bestimmung des Co in biologischem Material (Pflanzenasche) verwendet werden.

year	journal	country	edition	language
1983-01-01	Fresenius' Zeitschrift für analytische Chemie

https://doi.org/10.1007/bf00488879

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