???? ???? ?????? ???? Ammonium Paratungstate
???? ?????? ?????? ????? ??????? ???? ?? ?????, ?????, ????? ?????????; ???? ????? ?? ?????? ????? ?? paratungstate ??????? (APT) ??? ?? ???? ???. ???? ????? ???? ??? ????? paratungstate ??????? (APT) ??? ????? ???? ????? ???? ????? ??????? ???????, ????? ??? ???? ?? ?????? ???? ????? ?? ??? ???? ???????? ????????? ?? raffinate ????? ???? paratungstate ??????? ?? ??????????? ?????; ?????, ???? ??? ???? ????? ?? ????? ???? ?? ??? ????? ???? ???? ??????, ??? ????? ?????? ???? ????? ??????? ??? ???? ??? ????? ???? ??????? ??? ????? ?????? ?????.
????? ?????? ?? APT ?? ??? ???? ?????? ??? ??? ??? ?????:
1. ?????? ??????? ???? ???? ????? ???? ?? ??? deionized ???? ?? ????? ??????????? ?????? ???? ???? ???????? ?????;
2. ?????? ?? ?????? ????????? ?????? ?????? ??? ?????? ??? ???? ????? ??????? ???????, ?????? ????? ?- pH ?? ???? ???? ???? ? -9, ?????? ?? WO 3 ??? 100 ~ 200g / L;
3. ?????? ?? ???? ????? ??? ???? ?????? ?? ??? ??? ????? ????? ?????? ??? ????? ??? ??? ?? ????, ???? ?? ?????? ?? ??? ???? ??? ???? ??????? ???? ????? ????? ???? ?????, ???? ?? rffinate ?????? ??????? ??? ????? amatium paratungstate.
Paratungstate ??????? ??? ?????? ?????? ???? ????? ????? ??????? ???????. ???? ??????, ????? ?????? ?? APT ??? ???? ????? ??????? ??????? ????? ??? ?? ??? ?????? ?????? ??????? ?????. ???? ???? ?????? ??? ?????? ?? ????? ????? ????? ??? ???? ?????? ??? ??????? ???????? ?? ???? ??????? ??????? ???? ???? ?????? ???? ??????, ???? ??? ??? ???? ??????. ??? ????? ?? ???? ????? ??? ???? ??? ????? ???. ????? ????? ????? ??? ?????? ?????? ??????? ??????, ?? ??? ?????? ??????? ????? ??? ?? ???????, ?????? ?????? ??? ???? ???? ???. ??? ?? ?? ????? ????? ???? ??? ???? ????? ????? ???? ?? ??????, ????? ??????, ???? ????? ??????.
?????? ??????:
