Composition for extracting transition metal and method for extracting transition metal using the same
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United States of America Patent
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Mar 9, 1999
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N/A
app pub date -
Dec 24, 1997
filing date -
Dec 26, 1996
priority date (Note) -
Expired
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Abstract
A composition for extracting a transition metal which comprises as an active ingredient a cyclic phenol sulfide represented by the following formula (1): ##STR1## wherein X represents a hydrogen atom, a hydrocarbon group, an acyl group, a carboxyalkyl group, or a carbamoylalkyl group; Y represents a hydrocarbon group; Z represents a sulfide group, a sulfinyl group, or a sulfonyl group; and n is an integer of 4 to 8; and a method for extracting a transition metal using the composition
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