Calcium Tungstate
Scheelite ??? ????? tungstate ???? ?? CaWO4 ?????? ??????. ?? ????? ?????? ?? ???????. ?????? ?????? ???? ?? ????? ?? ??? ?????? ??? ???? ?? ??? ???????? ?? ??????? ??? ?????. Scheelite ??? ?????? ??????? ????? Czochralski; ????? ?????? ???? ?????? ??? ????? ???????, ?scintillator, ?? ?????? ????? lasing ????.
Scheeliteis ????? ?????? ???? ?? ??? ??? ?????; ?????, ??? ?? ????. ??? ??? ??? ???. ?? scheelite ??? ?????? ??? ????? ?????? ????. ??? ?? ??, ???? ?????? scheelite, ????? ?????? ???? ?????? ???? ????? ?? ????? ???? ???? ????. ????? ???? ?scheelite ??? ????? ??? ?? ?????? ?????? ???? ??? ????? ?? scheelite ??? ????? ???????? scheelite ????? ?? ?????? ?????? ????. ?????? ????? ???? ????? ??? ????? ???? ???? ?????? ?? ?????? ?? ?????? ?????? ???? ?????? ?? ????? ??? ????? ?? ??? ?????.
????? ?????? ?? ???? ??? ????? ????? ???? ???? ?????? ???????, ??? zirconia ?moissanite ??????? ??? ???? ????? scheelite ?? ?????? ??? ????? ???? ?scheelite ????, ??????? ????? ???? ????? ???? ?????? ?????? ?????. Gemmologists ?????? scheelite ????? ????? ?????? ????? ?? ??? ????? ???????????: ???? ???? ??? ????? ?????? ???? ??? ?????? ????? ??????? ???????? (?????), ????? ???? ?????? ??? ???? ??? ??? ????. ?????? ??????? ?????? ????????? ?????? ?? ????? ?? ???? ?????? ????? ?? obvserved ?scheelite ???????.
??????? ?????? ????? ?? scheelite, ??? ????? ????? ?? ??? ?????????? ?????? ??? (????? ?????), ???? ????? ?? ?????: ????? ?????? ??? ?????? ???? ???? ????? ??????? ????? ????? ?? ???????? (~ 585 ??????) ??? ??????? praseodymium ?????? ??????????. ????? ???, scheelite ??????? ??? ????? ?????? ??? ??????? ???. ?????? ???????? ??????? ?????? ?? ??? ????? ??????? ?? ?????????? ?? ?????? ??? ?????? ?????, ??? ???????? ?????? ??? ???? ??? ?? ????? ??????.
Omposition ????? ?? scheelite:
Grade |
WO3 |
Impurities(%,Max. ) |
||||||||||
S |
P |
As |
Mo |
Cu |
Sn |
Si |
Sb |
Zn |
Fe |
Pb |
||
Grade-1 |
77 |
0.2 |
0.02 |
0.02 |
0.02 |
0.02 |
0.01 |
0.2 |
0.03 |
0.02 |
0.05 |
0.02 |
Grade-2 |
75 |
0.25 |
0.03 |
0.04 |
0.04 |
0.03 |
0.02 |
0.5 |
0.05 |
0.03 |
0.07 |
0.03 |
?? ?? ?? ????? ?tungstate ????, ?? ???? ????? ????? ????"? ?????: sales@chinatungsten.com ?? ??????:+86 592 5129696.
?????? ??????>>
2.E-catalog of Tungsten Powder
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| ????? Chinatungsten | ??????? ????? | ??????? ????? ??????? | ??????? ???? ?????? | ??????? ??????? ??????? ???? | ??????? ?????? ??????? | ?????? ??????? | Xiamen Tungsten ??????? ??? | ???? ??????? | ???????? | ??? ??????? | ??? ??????? | ?? ??????? ???? ??????? ??? | ?? ????? | ??????? ???? | ??? ??????? Sinker | ??????? ????? |