???? & Ion Exchange ???? ???? ????? ??????? Metatungstate

????? ???? & ???? ????? ???
???? ????? Tungstate ????? ???, ???? ??????? Metatungstate ????? ?? ??? ????? ??? ?? ????? ?????, ????? ??? ????? ????? ??? ??? ???? ???? ??? ?????? ????? paratungstate ???????. ????? ??? ?-????? ????? (?? desorption) ?????, ???? ????? (?? desorbent) ????? ???????? ????? ?????? ???? ?- pH 3 ?? 4 ?????, ???? ????? (?? desorption) ????? ????? ??????? metatungstate. ???? ?? ?????? ?????? ????? APT, ????? ????? ?? ????? ???? (?? desorbent) ???? ????? ????? ?????? ?? ????? AMT, ?? ??? ???? ?????. p>
????? Tungstate ??????? ????? ??? ?? ??? ????? ??? ?? ????? ?????, ?? ?????? extractant (?? ??? ??????) ??????? (?? adsorbed) ??????? Tungstate ????? [NH4] + ???, ????? ??? ?? ????? ????? ???? ??? ?????? ?? ????? ?- pH AMT, ???? ?? ???? ????? ????????. ???? ?????? ?? ??? ??? ?????? ????? ??????? Metatungstate ??? ????? ?????? ?????? ?? ????? ????? ???? ??????? ?????? Metatungstate. p>






