?? ???????
??????? ?? ????? ??? ??????? ?????? ?? WO2 ??????.????? ???? ???? ??????? ??? monoclinic.????? ???? ?????-???? ????? WO6 octahedral ??????? ?? ?????? ??? ??????? ????? W-W (248 ????). ?? ???? ??????? ????? D2, ?????? ?? ????? ??????? ?????? ?????.
WO2 ??? ???? ?? ??? ????? ?? WO3 ?? ???? ??????? ????? 40 ???? ?900 ° C.?????? ?????? ?? ??? ???? ????? ???? W18O49 ??????, ????? ???????.
2 WO3 + W → 3 WO2
Moo2 ??????? ??????? ???? ????? ????. ?????? ???? ??????? ?? ??? ?????? ?????? ?????? ??????? ???. ??? ?????? WO2 ????? ?? WO2I2 ?????? ??????.
??????? ????? ?????? ?????: WO2
????? ????? ???: O2W1
???? ????? CAS: 12036-22-5
???? ?????: 215.839
????: ??????
?????? ?????????
Colour |
brown |
Appearance |
crystalline solid |
Melting point |
1500°C |
Boiling point |
1730°C |
Density |
10800 kg m-3 |
????? ???????
Element percentages for the elements in tungsten dioxide |
|
Element |
% |
W |
85.17 |
O |
14.83 |
?? ?? ?? ????? ???????? ?? ?????, ?? ???? ????? ????? ????"? ?????:sales@chinatungsten.com ?? ??????:+86 592 5129696.
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