??????? metatungstate, ????? ?? ??? AMT, ??? ???? ???? ??????? ????? ?????? hydrated ???? ????, ?????? ??? 303.99 / loogH: O ???? 20 ℃, ????? ???? ????. ?? ??? ?? ???? ????? ?????? ??? ??? ?????? ?????? ??? ?????.

???? ????? ?? metatungstate ??????? ?????? ???? ??? metatungstate ??????? ????? ????? ???: ??? ??? ????? metatungstate ??????? ???? ????? ??????? ?? WO312- ~ 30 ????? ?? ?????. ????? = 1: 20: paratungstate ??????? ????? ?? ??? ????? 3 ~ 5 ?? ????? ?????? ???? ??? ????? ??????? paratungstate, ??? ?????? ???? 1 ?????: (3 ~ 4), ??? ?- pH ?? 2 ~ 4, ????? ????? ????, ??????? ?????? ?? 1.18 ~ 1.20, ????? ?? 80 ~ 90 ℃, ???????? ????? ???? Ph ????? ??? ????, ????? ?????? ???? ???? 4H, ???????, ????? supernatant ??? WO3 ???? ??? ?? 50, ????? ????? ????? ????, ????, ??????? ?????, ?????? ?? 80 ℃ ?????.

??????? metatungstate ??? ???? ?????? ????? ???? ?????, ?????, ????? ??????, ????? ?????, ????? ??????? ????? ????, ??? ?? ????? ??? ?????? ????? ???? ??????? ???? ??????, ???? ?????? ??? ???????, ????? phosphotungstic, ????? ????, Tungstate ???????. ??? ?? ??? ???? ????? ??? ?????? ?? ????? ??????? ???? ????? ??? ?? ?????? ???? ?????, hydroxylation, ??????????, ??????. ???? ???? ????? ????? ?? ??????? ????? ??? ??????? ?????? ????? ??? ???????. ????? ???? ?????? ?????? ?? ??? ??????? ??????????.