?????? ??????? ????? ?????

?????? ??????? ??? ???? ??? flaky ?? ???? ????? ?? ?????, ???? ????, ???? ??????, ???? ????? ??????; ?? ???? ????? ????? ?? ????? ????, ???? ????? ???????????, ????? ??????, ???? ???? ?????.

?????? ??????? ????????? ????? ???? ?????

?????? ?? ????? ?? ????, ??????? ???? ???? ????? ?????. ?????? ?? ??????: ???? ???? ??? ?? ????? ?????????? ?????? leached ?? ?????; ????? ?????? ?? ?????? ?????? ????? ?????? stannous ?? ?????? ???? ???? ?????, ??????; ???? ????? ?? ??????? ???? ??????? trichloride ??? ????? ?? ??????? ????; ?????? ??? ????? ?? ????? ?????, ???? ??? ????? ???? ???????.

???? ???????? ???? ?? ?????? ??????? ????? ??????? ?????? ??????, ????? ?? ????? ?? ?????? ??? ?????? ????? ?? ???? ????. ?????? ???????, ??????? ?????? ????, hydroxide ???? ?????? ???, ?????? ????? tungstate ????, ????? ??? ?????? ?????? ???? ??? ????? ??????? ??????? ??????, ?????? ???, ?? ????, ??? ???? ?? ??? ???? ??? ???? ??? ??? ???? ????.

????? ????? ??????? ???? ??????? ???? ???? ????? ????? ????????, ??? ??????? ?????? ???: Na₂WO₄+H₂SO₄+=Na₂SO₄+H₂WO₄

???? tungstate ? ?????? ????? ???? ????? ????? ??? ????? ????? ??????? (PWO) ? ?????? ????, ?????? ?? ????? ??????? ????? PWO, ??????? ???:Na₂WO₄+Pb(NO₃)₂→PbWO₄+ 2NaNO₃
PWO ??? ???? ???? scurillator ????????, ??? ???????? ????? ??? scintillation, ??? ?????? ???, ????? ????? ?? ?????, ?????? ????? ????? ????? ???????? ?????; ?? ????? ??? ???? ?? ??????? photocatalysis, ???????, scintillator, ???, ????? ???????, ???? ??????? ???? ?????.

???? tungstate ???? ?? ????? ?????? ??? ???? ????? ???????? ????? ??????, ???? ???????: Na₂WO₄+2HNO₃→H₂WO₄+2NaNO₃. ???? ????? ?? ????? ????? ?? ????? ????????? ? ???? ???????? ????? ???? ????? ????? ????????.

????? ??????????? ??? ????? ????????? ??????? ????? ?????? ?? ??????? ???? ??? ????? ????? ????????, ??? ??????? ???: Na₂WO₄+2HCl→H₂WO₄+2NaCl
????? ???????? ??? ???? ???? ?????? ?? ???? ???? ????? ?????? ?????, ??? ???? ???? ????? ????? ????????? ?????? ?????? ????.

???? ??????? ? ??????? ????? ? ????? ????? ?????? ????? ??????? evaporative ????? ??? ????? ??????? ????, ?????? ???? ?????? ???? ???????, ?????? ?????? ???:
10Na₂WO₄+6NH₄Cl+12HCl+9H₂O＝3(NH₄)₂O·Na₂O·10WO₃·15H₂O+18NaCl
?????? ??????? ??? ???? ???? ?????? ????? "????? ??????? ????" ??????? ????, ?? calcined ? "??????? ????", ????? ??? ???? ????? ????, ??? ?? ??? ??? ????? ??????? ???? ????? ???? ???????.

?????? ???????? ???? ?? ????? ??????????? ????, ??? ????? ??????? hexavalent ??? tetravalent, ??? ????? ?? ?????? ???????, ?????? ?????? ???:
Na₂WO₄+4HCl+Zn=WO₂+2NaCl+ZnCl₂+2H₂O

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

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