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Ichinose N. Studies on the extraction and determination of metals-I Extraction of hafnium into methyl isobutyl ketone and tributyl phosphate. Talanta. 1972;19(12):1644-7doi: 10.1016/0039-9140(72)80238-8.
Ichinose, N. (1972). Studies on the extraction and determination of metals-I Extraction of hafnium into methyl isobutyl ketone and tributyl phosphate. Talanta, 19(12), 1644-7. https://doi.org/10.1016/0039-9140(72)80238-8
Ichinose, N. "Studies on the extraction and determination of metals-I Extraction of hafnium into methyl isobutyl ketone and tributyl phosphate." Talanta vol. 19,12 (1972): 1644-7. doi: https://doi.org/10.1016/0039-9140(72)80238-8
Ichinose N. Studies on the extraction and determination of metals-I Extraction of hafnium into methyl isobutyl ketone and tributyl phosphate. Talanta. 1972 Dec;19(12):1644-7. doi: 10.1016/0039-9140(72)80238-8. PMID: 18961225.
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Talanta. 1972 Dec;19(12):1644-7. doi: 10.1016/0039-9140(72)80238-8.

Studies on the extraction and determination of metals-I Extraction of hafnium into methyl isobutyl ketone and tributyl phosphate.

Talanta

N Ichinose

Affiliations

  1. Department of Chemistry Faculty of Liberal Arts Yamaguchi University Yamaguchi, Japan.

PMID: 18961225 DOI: 10.1016/0039-9140(72)80238-8

Abstract

The effect of various factors on the distribution of hafnium ( 5.60 x 10(-4)M) between different acids and methyl isobutyl ketone (MIBK) or tributyl phosphate (TBP) was studied by using (176 + 181) Hf as a tracer, when the extraction is made from 7.5-11M hydrochloric acid with an equal volume of IM TBP in benzene, hafnium is extracted quantitatively (>99%). The hafnium can be stripped with 1-3M hydrochloric acid.

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