????????
PbO,H2O2,?
?? 2010-06-22 19:26
??
??? 2010-06-22 19:35 ? ? 1.??: 51502 CAS 1309-60-0 ? ? Lead dioxideLead peroxide ? ? PbO2 ? ???? 239.21 ? 290/? ? ???? ?(?=1)9.38 ? ? ? 11(?) ?? ??? 2.??: ? ???? ?????????????????(??)??????????????????????????????? ??? ??????????????????^ ?(?)?? 3.???: 4.???: ?? 5.?: (TJ36-79)?? 0.03mg/m3[?]0.05[?] 6.??: ??? ??q?????? ?????????(????)???????????????????? ? ????? ????? ??...
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