???? ?????? ?? ??????? Paratungstate Tetrahydrate ????? ???? ??????? Paratungstate ???"? 8168155 B2   ?????? ?????? ????? ?????? ?? tetrahydrate ??????? paratungstrate ?? ??? ????? ???? ?? decahydrate ??????? paratungstate ?????? ?????. Ametium paratungstate tetrahydrate ???? ????? ?? ???? ????? ????? ?????. ???? ?????? ????? ?????? ????? ????? ?????? ???????.

????? ?? Paratungstate ?? ??????? ????? ??????? US 4115513 A   ???????, ?????? ???? ??????? paratungstate ?????? ??? ??? ??? ????? ??????? ?????, ????? ?????? ???? ????? ?? slurried ? HCL ????? ????? ????? ???? ??????? ??? WO3.H2 O. ?????? ?????? ?????? ???? ???? ????? ????? ?????? ?? ???? ?????? ?? ???? hydroxide ?? ?- pH ???? ?? 8 ?? 8.5 ??? ????? ??????? ???? ????. ???? hydroxide ?????? ??? ?????? ?? ?- pH ?? 10.5 ? 11.5, ???????? ?????? ?????? ???? ????? ??? ????? ????? ?? ??????. ???? hydroxide ???? ??? ?????? ?? ?- pH ?? 10.5 ? 11.5 ??? ????? ??? hydroxide ??????? ???? ??????? ???????. ????? ??? ?? ?????? ??????? ? thioacetamide ??? ?????? ?????? ??? acidified ? pH ????? ????? ?? ? 2 ?? 3 ???? ?? ??????? ??? MoS3. ?????? ???????? ??? ??? ?? ?? ???? ????? ??? ??????, ??? ???? ???? ?????? ?? ?????? ????? ??? ??? ???? ??? ???? ?? ???? ???????. ????? ??????? ??????? ??? ?? ????? ??????? ??? ?? hydroxide ??????? ??? ????? ????? ??????? ???????, ??? ????? ?????. ? ?????? ???????? ??????? ??? ????? ???? paratungstate ??????? ???????. ?????? ???? ?????? ?????? ?????.

???? Paratungstate ?? ??????? US 3077379 & Paratungstate ?? ??????? ??? ???? ???? ???? ?? ??? ??? ???? ??????? ????????? ????. ???? ?? ???? ?? ??? ??????? ??? ????? ?????? ?????? ?? productin ???? ??. ??????? ???? ????? ????? ll'QIl'l scheelite ??? ???????? ???? ????????. ?? ????? ???? ??? ?? ??? ????? ??? ??? ?? ????? ???? ??????. ???? ?? ????? ???? ?? ???? tungstate ????? ??? ???? ???? ?????? ????? ????? paratungstate ???????.

????? ?????????? ?????? Paronungstate ??????? ? ????? ??????? ??? ???"? US 5021133 A   ???? ????? ?????? paratungstate ??????? ? ???? ??????? ??????? ??? ???? ???? ????? ??????? ????? ?????????? ?? ??? ????? ? 0.5 ?? ? 20 ???? ??????? ????? ??????? ?????? ???? ?????? ??????? ?? ??????? ?????????-??????? ??????? ?????, ??????? ?????????-??????? ????? ?????, ??????? ?????????-??????? ?????? ?????, ??? ?????? ??? ??????? ???? ???? ???? ?? ?????? ??? ????? ???? ??????, ??? ???? ?? ??????? ???? ???? ?????? ????? ?? ???????? ??????? ????? ??? ????? ??????? paratungstate.

????? ?????? ???? ???????? ?????? ?? ????? Paratungstate ?? ??????? US 5578285   ; ????? ?????? ???? ???????? ?????? ?? ???? paratungstate ??????? ??? ?? ?????? ?? ????? ???? paratungstate ??????? ????????? ?? ??? ? 110 ????? ?????? ?? ? 205 ° C. ???? ??? ????? ??? ?????? ?? ???? ???????? ?????? ?? ???? paratungstate ??????? ?? ??? ????? 20 ??????.