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The determination of vanadium in brines by atomic absorption spectroscopy

Analytica Chimica Acta

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Abstract

A standard addition method is described for the determination of vanadium in brines by atomic absorption spectroscopy with a nitrous oxide-acetylene flame. Sample pH is adjusted to 1.0 with concentrated hydrochloric acid and the vanadium is directly extracted with 5% cupferron in methyl isobutyl ketone (MIBK). The ketone layer is then aspirated into the flame and the recorded absorption values are plotted as a function of the concentration of the added metal. As little as 2.5 ??g l-1 of vanadium can be detected under the conditions of the procedure. Tungsten and tin interfere when present in excess of 5 and 10 ??g ml-1, respectively. The concentrations of the two interfering ions normally found in brines are well below interference levels. ?? 1971.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The determination of vanadium in brines by atomic absorption spectroscopy
Series title:
Analytica Chimica Acta
Volume
55
Issue:
1
Year Published:
1971
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
29
Last page:
36
Number of Pages:
8