| 摘要 |
The invention relates to new calixarenes according to the formula:wherein:R<1 >is an alkyl or aryl group, or a hydrogen atom,R<2 >and R<3>, which may be identical or different, are alkyl or aryl groups,n is an integer ranging from 2 to 8, andp is an integer ranging from 4 to 8.Said calixarenes may be used to extract actinides and lanthanides from aqueous solutions.
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