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?????? ??????? ????? ????? ???????, ???? ??????? (?????? ??????? ?????, WO 2.9 ) ?????? ????? ???? ?? ??????? ????? ????? ???? ???? ????? ????? ??????????? ????? ???????? ?????? ????? ????.
??????? ?????, ????? ?? K 2 2 O 7 , ??? ????? ??? ?? ???? ???? ?????, ???? ???? ???? ????????? ????. ?? ????? ?? ??? IARC ?????? I carcinogens, ??????? ???, ?? ????? ??? ???? ?? ??????? ?????? ????????.
????? ????? ????? Dichromate (??????? Trichloride - ????? Dichromate ????) ??? ???? ?? ???? ???? ?? ?????? ????? ?? ???? ????? ????? ????.
?????? ???? ?? ?? ????? ??????? SnCl 2 ??? ?????? ?? ??? Fe 3 + ?? ??????? ???? ???? ???? ????? ????? ???? ?????? ????? ????, ????? ??? ???? ???? Tungstate ?????? ???? ??????? TiCl 3 ??? ?????? ??????? ?? ???? Fe 3 + ?? 2 + ; ???? ?????? ??????? ?? TiCl 3 ????? ?????? ?? ???????? ?????????? ?? ????? ??????? pentavalent ?? ??? ???? ??????? , ?????? ????? ???? ???? ??; ?? ????? ????? dichromate ??? ??? ?? ???? ??????? ?? ?????.
?????? ?? ????? phosphotungstic ????? ???? ??????? ???? ???? ???? ?????:
?? ?? ?? ????? ???? ?????? ???????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.
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