Extraction spectrophotometric determination of niobium in rocks with sulfochlorophenol S

Analytica Chimica Acta
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Abstract

After acid decomposition and potassium pyrosulfate fusion, niobium (1—26 ppm) is separated from interfering elements by extraction into methyl isobutyl ketone from 6 M H2SO4—2 M HF and back-extracted into water. The niobium—sulfochloro-phenol S complex is extracted into amyl alcohol.

Publication type Article
Publication Subtype Journal Article
Title Extraction spectrophotometric determination of niobium in rocks with sulfochlorophenol S
Series title Analytica Chimica Acta
DOI 10.1016/S0003-2670(01)84330-0
Volume 116
Issue 1
Year Published 1980
Language English
Publisher Elsevier
Description 6 p.
First page 185
Last page 190
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