??????? ?????? ?? ???????? ?????
1 ????
????? ??? ??????? ?????? ?????????? ???????? ???? ???????? ?????? ??????? ??????? ??? ???? ???.
????? ??? ??????? ??? ????? ???? ?? ?????????? ?? ???? ????? ???????? (???????? ??????) ?? ????? ???????? ????????? ????? ?????? (???????? ??????).
2 ???????
???????? ??????? ????? ??? ??????? ????? ?? ???? ??????? ?? ??? ???????? ???? ????? ???????? ?? ??? ?????? ????? ??????? ?????? ????? ????? ???????. ???? ???????? ???? ????????? ??? ??? ??????? ???????? ??????? ??????? ??????? ???? ???? ?? ???????? ???????.
????? GB / T 1479-1984 ??????? ????? ????? ?????? ?? ????? ?????: ????? ???
GB / T 3249-1982 ????? ??? ??????? ???? ??? ????? ?????? ????? ????
GB / T 4324-1984 ??? ??????? ????????? ??????????
GB / T ????? ??????? 5314-1985 ????? ??? ???????
3 ???? ????????
??? ??????? |
???????? |
???? |
???? |
????? ?????? |
???????? ???? ????? |
????? ???????? |
WO3 |
??? |
WO3-0 |
A |
WO3-1 |
|||
????? |
WO3-2 |
|||
????? ???????? ?????? |
???????? ?????? |
W20O58 |
??? |
WOX-0 |
A |
WOX-1 |
|||
????? |
WOX-2 |
|||
??????: ???? ???? ??? ????? ????? ??? ???? ???????? W20O58 ?? ????????. |
||||
4. ????????? ???????
4.1 ???? ??? ???? ????? ????? ????? ????????? ?????? ?????? ????? ????? ?????? ?? ?????? ???????. ??? ????.
4.2 ?? ???? ???? ?????? ?? ???.
??? 4.3 ?? ????? ????? ???????? ???? ????? 250um (60 ????) ?????.
4.4 ??????? ??????? ???????? ??? W20O58 ??? ?? 70?.
4.5 ?????? ??????? ???????? ?????? ??? ???????? ?? ??????? ?????? ?? ??????? ???????? ????? ?? ??? ???????.
?????? ?? ???? 4.6 ????? ?????? ?? ????? ???????? ??????? ????????? ??? ???? ?? ????? ?????? ??? 2:
???? ???? |
WO3-0 |
WO3-1 |
WO3-2 |
|
??????? |
Al |
0.0005 |
0.001 |
0.001 |
As |
0.001 |
0.001 |
0.003 |
|
Bi |
0.0001 |
0.0001 |
0.0005 |
|
Ca |
0.001 |
0.001 |
0.003 |
|
Co |
0.001 |
0.001 |
0.002 |
|
Cr |
0.001 |
0.001 |
0.001 |
|
Cu |
0.0003 |
0.0005 |
0.001 |
|
Fe |
0.001 |
0.001 |
0.003 |
|
K |
0.001 |
0.0015 |
0.002 |
|
Mg |
0.0007 |
0.001 |
0.002 |
|
Mn |
0.001 |
0.001 |
0.001 |
|
Mo |
0.002 |
0.005 |
0.02 |
|
Na |
0.001 |
0.0015 |
0.003 |
|
Ni |
0.0007 |
0.0007 |
0.001 |
|
P |
0.0007 |
0.001 |
0.002 |
|
Pb |
0.0001 |
0.0001 |
0.0005 |
|
S |
0.0007 |
0.001 |
0.001 |
|
Sb |
0.0005 |
0.001 |
0.002 |
|
Si |
0.001 |
0.001 |
0.003 |
|
Sn |
0.0002 |
0.0005 |
0.001 |
|
Ti |
0.001 |
0.001 |
0.002 |
|
V |
0.001 |
0.001 |
0.002 |
|
WO3????? ????? |
0.5 |
0.5 |
0.5 |
|
5 ??? ????????
???? 5.1 ?????? ????????? ???????.
/ ??? 5.2 ????? ??? ???????? ???? ?GB T 3249 ???.
/ ??? 5.3 ????? ??????? ?????? ?? ?????? ???? ?GB T 1479 ???.
5.4 ?????? ????? ??????? ????????? ???? ?GB / T 4324 ???? ?????.
???? 5.5 ???????? ????? ??????? ??????? ????? ??????? ???? ?????? ? (????????).
6 ????? ???????
6.1 ???????? ?? ??????? ??? ?????? ??????? ??? ??????? ????? ?? ???????? ???? ???? ??? ???????? ???? ????? ??????.
6.2 ?? ???? ???? ???? ??? ?????? ??? ??? ?????? ???????? ??? ????? ????? ???????? ?????? ?? ????? ??? ???????? ?? ????? ?????? ??????? ?? ???? 3 ???? ????? ???? ???????? ????? ???????.
????? ????? 6.3 ?????? ??????? ??????. ?? ???? ?? ??? ????? ??????.
/ ??? 6.4 ?????? ??? ??????? ????? ??????? ???? ?GB T 5314 ???.
6.5 ????? ????? ?????????? ????? ?? ?????? ???? ?? reinspection ????? ????? ???? ???? ??????? ?? ???? ???? ?? ?????? ?? ??? ??????? ???????.
7 ??????? ??????? ???????? ?????? ????????
????? 7.1 ?????? ?? ??? ?????? ??????? ??????????? (?? ??? ????) ?? ?????? ?? ????? ???? ?????? ??????? ????????? ??????? ???????? ????? (??) ???? ????: ??? ??????? ??? ??????? ?????? ??????? ??? ?????? ?????? ??????.
??? ?? ???? 7.2 ??? ?????? ???? ???????? ?? ???? ??????? ???????? ??????.
7.3 ????? ?? ???? ?????? ???????? ?? ???? ?? ?????? ????? ??? ????? ??????.
7.4 ??? ??? ?? ????? ?? ???? ?? ???????? ?? ??? ????? ??????? ???????:
?) ??? ??????.
?) ??? ??????.
?) ?????.
?) ?????? ??? ??????? ?????? ?????? ??????.
?) ????? ????? ????????? ???? ??? ????????
?) ??? ?? ??? ????????.
?) ????? ?????.
??? ??? ???? ?? ????? ?? ????? ????????? ??? ????? ?? ??????? ??? ?? ???? ?????? ??????????: sales@chinatungsten.com or by telephone:+86 592 5129696.
???? ?? ?????????>>