?? ?? ??????? Paratungstate

??? ??????? paratungstate? Amatium paratungstate ??? ????? ??? ?? ???? ?? ???? ???, ??? ??? ???? APT.

????? ?????: H₈N₂O₄W
???? ????????: 283.9145
EINECS: 234-364-9
CAS No.: 14311-52-5

?? ?? ???? ????? ?????, ?????? ?????? ??? ?? ????? ?????:
(1)3(NH₄)₂O?7WO₃?6H₂O
(2)5(NH₄),₂?12WO₃?5H₂O
(3)5(NH₄)₂O?12WO₃?5H₂O
(4)5(NH₄)₂O?12WO₃?11H₂O

Amatium paratungstate ??? ???? ??? ?????? ?? pentahydrate ? decahydrate:
1.Decahydrate: ?????? ?????? ??? 5 (NH4) 2O ? 12WO3 ? 10H2O, ???? ???????? ??? 3222.73. ?? ????? ?? ??? ?????? ????? ???????? ???? ????? ???????, ?? ???? ?? ??? ????, ???? ????, ???? ???? ???????, ???? ??? ?????? ?????? ???, ?????? ????? ????? ??? ?? ????? ?????? ???? ?????? ?? ????? ????????.
2. Pentaydrate: ?????? ?????? ??? 5(NH4)2O?12WO3?5H2O.

Paratungstate ??????? ??? ???? ????? ????, ?????? ??? ???? ? 2% ???? 20 ℃, ?????? ??????. ??????? paratungstate ?? ????? ???? ????, ???? ???? 220 ~ 280 ℃, ?? ????? ??? ?? ??????? ??? ???? ?????? metatungstate ???????. ???? ???? ????? ? 600 ℃, ?? ???? ?? ?? ??????? ??? ?????? ?????? trioxide ???????.

?? ?? ?? ????? paratungstate ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.

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