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1.????? ?????. ????? ?????? ????? NaOH ??? decomposite ????? ???? ?? ??????? ??????, ?????? ?? ????? ???? ???????? ???? ????? ?? ???? ????? ???????, ?????? ??????? ??? ???? ???? ??? ???? ?????? ???? ????? ??? ????? ????.

2.???????. ????? ??? ??????? ???? ???? ??????? ??? ???????, ????, ????, ???????. ???? ????? ?????? ???? ??? ?????? ?? ??? ?- pH, ????? ??? ?????? ?????? ??????? ??? ???? ???? ?? ??????? ??? ??? ???????. ????? ??????? ???? ????? ??? ???? ????? ??????? ???? ????, ?????? ???? ?????? agitator ?? ?????? ????, trisulfide ??????? ?????, ???? ?????, ??????? ???? ???? ?????.

3.????????. ????? ????? ??????? ????? ???????? ???? ???? ??????? ?? ???? pH ? 2 ~ 3, ??????? ???? ????? metatungstate ????, ?????? ?? ???? ?????? ??? ??? ????, ??????? ???? ????? ?????? ???? ???? ??????. ?? ??? ????? ?? ???, ?????? ????? ?????? ?? ??? ?????, ????? ??????? ??????? ?????.

?? ?? ?? ????? ??????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.

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