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????? ?????? ???????? ??????? ??? ????, ????? ???? ????? ???? ??????? ???????? ?? ???? ???? ?????.
1. ?????? ?????? ?? W ?- S ??????? ?? ???? ???? ??? 800 ~ 900 ℃, ??? ???? ??? ????? ?? β-WS2;
2. ???? ?? ?????? ????? ???????? ??????? (WO 3 ) ???? ????????? ?? 1400 ℃, orthorhombicα-WS 2 ??????, ??????? ???: 2WO3+4S→2WS2+3O2;
3. ?????? ?? WS3.
???? ????? ????? ???????? ??????? ??? ???? tetrathiotungstate ??????? ????? ???, ????? ???? ?????? ?????, ????? ?????? ?? 100 ~ 200 ℃ / ??? ????????? ???? ? 700 ~ 1200 ℃ ??? ???? ?? ?????, ?????? ?? ?? ???????? ???? 24 ~ 48 ????, ????? ??? ????? ?? ????????? ?????? ?? ~ ~ 110 ℃ / ??? ?? ????????? ????, crverizing ?? ????? ??? ???? WS 2 ????.
?? ?? ?? ????? ???????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.
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