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1.????? ???? ?????? ?? ???? ?????? 20ml ?????, ?????? ??? 10ml, 2.0ml ???? ??????? ????? 10%, 0.33mol / L ????? ????? ???????, ?????? ??? ?????. ?? ????? 2ml ????, ?????? ???? 14ml, 2ml 10% ????? ???? ???????, 2ml 0.33mol / L ????? ?????? ?????.
2.???? ??????? ???? ???? 30 ????, ????, ????? ?? ???? ?????. ???? ????? ???? ????? ????? ?? ?? ????? ?????, ????? ????? ???????? ???? ????? ?????? ? 1%.
?? ?? ?? ????? ????? ????????, ?? ???? ????? ????? ????"?: sales@chinatungsten.com?? ??????:+86 592 5129696.
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