Amatium Paratungstate ???? ??????? Metatungstate
?????????? (APT) ???? ?????? ????? ?? ??????? metatungstate ??? ????? ?????? ?????? ????? AMT ?? ??? ???? ???? ??? ???? ???? ????? ????? ??????.
?? ??? ???? ???????? ?????? ????? ?? ??????? ???????????? (APT) ???? ???? ?? ?????? ???? ???, APT ????? ???? metatungstate ??????? ?? ?????? ????. ?? ?? ??? ??????? ??? ????? ????? metatungstate ???????, ???? ?????? ??? ????? ???? ???? ???? AMT.
APT ????? ???? ????? ????? ?????:
5(NH4)2O·12WO3·5H2O=3(NH4)2O·12WO3·3H2O+4NH3↑+4H2O↑
?????? ????? ?? ??????? ???????? ?????? ????? ??? 210 ℃, ??? ????? ????? ??? 3.34%, ?? ????? ???? 4 NH3 ? 4 H2O ??? ???? ? AMT ????????. ???? ????????? ??? ??? 265 ℃, ????? ??? endothermic ????? ?????. ?? ???? ?? ????????? ?????? ???? ??????? paratungstate ???? ?????? ????? ????? metatungstate ??????? ??? 210 ~ 265 ℃. ?? ???, ?????? ?????, ???????? ?????? ?????? ??? ???? ?????, ????? ????? 300 ℃, ?? ???? ?????. ??? ???? ?? ????? ?????, ??????? ???? ????? ???? ?? ????? ???? ??? ???? ????.
?? ?? ?? ????? paratungstate ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.
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