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Because of its advantages in atomic-absorption spectroscopy, isobutyl methyl ketone was chosen as organic solvent for an extraction study on vanadium. Of eight chelating agents which were evaluated for completeness of extraction, ease of use, working pH range, and freedom from interference, cupferron was judged best. ?? 1969.
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Extraction of vanadium into isobutyl methyl ketone1 1 Publication authorized by the Director, U.S. Geological Survey.