???? Paronungstate (APT) ???????
????? ?? paratungstate ??????? (APT) ??????:
???? |
APT - 0 |
|||
???????(%Max.) |
WO3????(≥%) |
88.5 |
||
????? |
Max |
????? |
Max |
|
Al |
0.0005 |
Na |
0.0010 |
|
As |
0.0010 |
Ni |
0.0005 |
|
Bi |
0.0001 |
K |
0.0010 |
|
Ca |
0.0010 |
P |
0.0007 |
|
Cd |
0.0010 |
Pb |
0.0001 |
|
Cr |
0.0010 |
S |
0.0008 |
|
Co |
0.0010 |
Sb |
0.0005 |
|
Cu |
0.0003 |
Si |
0.0010 |
|
Fe |
0.0010 |
Sn |
0.0002 |
|
Mg |
0.0005 |
Ti |
0.0010 |
|
Mn |
0.0005 |
V |
0.0010 |
|
Mo |
0.0020 |
????? ????? |
11.5 |
|
?????? ??????:
???? ?????? ??????? ????? ??? 2.72 (?? W18O49), ??? ??? ??? ?? ?????? ???????, ????? VTO, ??? ???? ????? ???? ????, ??? ???? ???? ??? ?? ???? ????.
??????? paratungstate ??? ???? ????, ????? ?????? ?????, ???? ??? ????? ?? ?????? ?? ??????????? ???? ????? ?? trioxide ??????? ?? ???? ??????? ?????? ???? ??????? ????.
????? Tungstic ?????? ?????? ????????? ?? ??????? trioxide, WO3. ????? ?????? ?????, ?monohydrate, ??? WO3. h2o, dihydrate ?? 3.2 h2o ???? ??. . ???? ???? ????? ?? WO3 H2O ????? ????? ?? octahedrally ????? WO5 (H2O) ?????? ??? 4 ???????? ???????.
0.6 ??????? ??????? ??????, ?????? ???????, ????? ?? ???? ????? ??????, ????? ????????? ????, ?????? ?????? ?? 0.6-1.0 g/cm3.