VERFAHREN ZUR EXTRAKTION VON ANIONEN DER IVB BIS VIII METALLE MITTELS ALKYLSUBSTITUIERTER 1,3- DIAMINOPROPANE

摘要

The invention relates to a method of extracting anions based on metals of groups IV B to VIII of the periodic table from aqueous solutions thereof, wherein compounds of general formulaare used as extractants, in which a maximum of two of the R<1>, R<2>, R<3 >and R<4 >substituents represent hydrogen atoms and the remaining substituents represent identical or different alkyl or aminoakyl groups, which are optionally branched and which contain on average at least 5 C atoms.