The results show that the extraction process is an anion exchange and the extracted species are a mixture of AgS_2O_3~- and Ag(S_2O_3)_2~(3-). The IR spectra of the extracted complexes were measured, which support the mechanism proposed.

• 结果表明,Ag(I)同时以AgS_2O_3~-和Ag(S_2O_3)_2~(3-)两种形式萃入有机相。