Amatium paratungstate (APT) ??? ???? ???, ???? ????? ????, ???? ????????, ????? ????? ?????? ?? ???????? ??????? ?????? ?????? ??????? ????. ????, ???? ????? ??????? ?? APT ??? ??????? ?????, ????, ?? ????? ????? ?? ????? ??????, ??? ????? ???????? ?????.

?????? ?? ???? ????? ???????? ????? paratungstate ??????? ?? ??????:
1. ?????? ????? ???????? ?? ?? ??????, ????? ??? ??????? ???? ???? ??????? deionized ????? ?????? ?? ??? ????? ?? ?????, ?? ??? pH ???? 8;
2. ??????? ?? ?????? ????? ???? ?????? ??? ????, ????? ??? ?????? ?? ???? pH ? 2 ~ 4 ?? ????? ???? ????,
3. ???? ??? ????? ?? ?????? ?? ??????? ??????, ?????? ?????, ??? ??????, ????,
4. ?????? ??? ????? ????? ?? ????? ???, ????? ??? ??????? ???? ????????, ??? ??? ???? ?? ????? APT ???? ????? ? 80 ℃ ? ?????.