???????? applications of conductometry

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???????? applications of conductometry

• ???
• 03081089

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applications of conductometry
???????? conductometric titration
?????????? application of direct
conductometry ???????????
principle and application of high
frequency conducto-metry
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???????? conductometric titration
?????? ????????????, ?????????
?????? ????????????? ????????
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????????? application of direct conductometry
1. ????? (1) ??????? ?????????????????????
??????????????????????????? ?????????
2?10-6 S cm-1 ????????? 5?10-7 S
cm-1 ?????? 5?10-8 S cm-1 (2)
???????????? ??,????? (3) ???????
SO3 NO2, ??????????????
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2. ???????????
(1) ???????????
HAc H Ac- c(1-?) c ? c ?
?????HAc????1.11410-4 mol/L?????, ??
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(2) ???????
25?C?,????AgBr????????? ?1.57610-6
S/cm ?????? ?1.51910-6 S/cm ???AgBr????
? AgBr 5.710-8 S/cm
Ksp(4.06 10-7) 2 1.648 10-13
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????????????principle and application of high
frequency conductometry
1. ?? ???????????????????????? 2.
???????? ????gt1???, ?????,???????????????,???????
????? ?????????????????? ?????????????????????-
????, ???(lt5000?)???????(???????) ??gt1?????????
??????
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3. ??????
??????????????????????????????????????????
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???, f 0 f ,???,????????,??????,?????? f
??, f 0? f ,???? ?
?????
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