conductometric titration

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???????????
???????? conductometric titration
?????????? application of direct
conductometry ??????????? principle and
application of high frequency conducto-metry
potentiometer and conductometry

• ???
• ????????

applications of conductometry
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???????? conductometric titration
?????? ????????????,?????????
?????? ????????????? ????????
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????
????????????????????????
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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. ??????
??????????????????????????????????????????
?????
???, f 0 f ,???,????????,??????,?????? f
??, f 0? f ,???? ?
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??????????
???????G???,?????G?????,???????(a)
?????,???????(b) ???????????(c)
????????????????(d).
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????
??? ???????????? principle of potentiometer
analysis and ion selective electrode ???
???????? application of Potentiometry ???
??????? principle of conductometry ???
??????? application of conductometry
??