??
???????????????????????????????????????????????????????????????
“??” 的相关文章
?PCBA??
????; Trichloroethylene; Ethinyl trichloride; Tri; TCE; CAS79-01-6
?
?,,?
??,???C2-H-Cl3131.39?1.4649(20/4)?-7386.732.22(?)?420?4.53?13.33kPa(100mmHg32)??8.0%10.5% ?; ????; ?????????????????,???250600??????????????????
?? ?
??????????????????????????????????????????????
?? ?????
? ???, ???????????...
?
?,,?
??,???C2-H-Cl3131.39?1.4649(20/4)?-7386.732.22(?)?420?4.53?13.33kPa(100mmHg32)??8.0%10.5% ?; ????; ?????????????????,???250600??????????????????
?? ?
??????????????????????????????????????????????
?? ?????
? ???, ???????????...
?,????
???????????????????????????????????????????????
??
?? ????????
?? ????
? ??????????
?? ???
?????????????????????????
??
?? ????????
?? ?????15??
? ??????????
?? ???
??
?? ????????
?? ????
? ??????????
?? ???
?????????????????????????
??
?? ????????
?? ?????15??
? ??????????
?? ???
??CCl4?C2Cl4
???,???C2-Cl4165.83?1.6311(15/4)?-22.4121?5.83?2.11kPa (15.8mmHg22)?10000?; ????????????(??)???^?,?????,??????,700?????????????
???????????????????????????????????????????????
??
?? ????????
?? ????
? ??????????
?? ???
???????????????
????????70?????????????????????25PPM50PPM?????27PPM???...
???????????????????????????????????????????????
??
?? ????????
?? ????
? ??????????
?? ???
???????????????
????????70?????????????????????25PPM50PPM?????27PPM???...
???
???????????????????????????????????????????????
?? ?????
? ???, ???????????
?????
???????????????????????60???M???????????????????????????1997?????????(DF2000)???????????2002?????1998????????????????????????????????????
??????
??????????????????????????()??????...
?? ?????
? ???, ???????????
?????
???????????????????????60???M???????????????????????????1997?????????(DF2000)???????????2002?????1998????????????????????????????????????
??????
??????????????????????????()??????...
????
? ?????????????
???????????????????
? ??????????L????k????????????
? ??????????I????
?????????????????
????
????????????????????????????
???
????????300ml???????
??
??????????????????????????
????
??????????????????????
???????????????????
? ??????????L????k????????????
? ??????????I????
?????????????????
????
????????????????????????????
???
????????300ml???????
??
??????????????????????????
????
??????????????????????