Instrumental Analysis ? ? - PowerPoint PPT Presentation

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Instrumental Analysis ? ?

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Title: Instrumental Analysis ? ?


1
Instrumental Analysis? ?
?????
????
?????
?????
?????
????
????
????
????
????
????
??????
2
  • ????????????????
  • (1)???????????,??????????????
  • (2)????????,?????????????,???????????

3
  • ???????(???????)
  • (1)????,?????,??????
  • (2)????
  • (3)????,?????,???????
  • (4)??????(5)
  • (5)??????????????

4
????????
  • ??-?????? Ultra-Visable Spectrophotometry
    (UV-SP)
  • ??????? Fluorescence spectrometry
  • ???????? Atomic Absorption Spectrophotometry(AAS
    )
  • ??? Electrochemistry
  • ?? Chromatography
  • High performance liquid
    chromatography(HPLC)
  • Gas chromatography(GC)

5

??-???????
???? 1.??????????? 2.???????? 3.??????? 4.?????
?? 5.????
6
??-???????
???????????????????(200760nm)?????,??????????????
?????????
7
??????
  • ??????????????????,??????,???????????????????
    ?????
  • ???????????????????????

8
????
9
  • ????????
  • ?????????
  • ?????????????????
  • ????????????????

10
????
?????????????????
11
?????????
  • 1.????????????
  • E??EeEvEr
  • Eegt Evgt Er?

12
?E??gt?E??gt?E??
13
  • ????
  • ????????????????????????????????????
    ??
  • ????????????,???????????????,???????????
    ????????(?EE1-E2hc/?)????????????????? M(??)
    h? ? M(???)

14
  • ??????????, ?????????????????,??????????
    ???,???????????????????????????,??????????

15
  • ?????????

16
  • ??????????????????(A),?????????,??????????,
    ????????????(????)???????????????????

17
  •   ????
  • (1)???
  • (2)???????????????????,???????,??????????????
    ??????????(A)????????,A??????,?????????????????
  • (3)????????

18
(No Transcript)
19
??????????
  • a.???????????????,???????????
  • b.????????,????????lmax???

20
????????????????
21
  •   ??
  • (1)?????????
  • (2)??
  • (3)??????

22
???????
  • ??????????????????
  • (1) ????????????????????????????????????????
    ?????????????????????,???????????????,?????

23
  • ??????????????????????????,??????????????????
    ??????,???????,????

24
  • ?????????????????????????
  • ????????????????
  • ???????????????
  • ???????

25
  • ??????????,??????????????????????????????
    ??,?7?????????????????
  • ?????????????????,???????????

26
??????
27
???????
  • ???????????????
  • ??????????????,?????????????????
  • ????????????,???????????,??????,?????????
    ????????????,?????????????????????????????,???????
    ?

28
??????????
???
????
??????
????
????
?????
29
  • ????????????????,??????.

30
? 1,10??????????????
?????????? ????????,???510nm?,????600nm?
????????,??????????????,????????,?1,10????????????
31
  • ???????
  • ????(10200nm)
  • ????(200400nm)
  • ????(400760nm)
  • ????O2?CO2?H2O???10200nm????,??????,?
    ??????(???????????),?????????????????????

32
?????????? (??)
????????p?p, n?p
  • ????
  • (1)?????????????????????????,???????????
  • (2)?????????????????????????,???????????

33
  • (3)???????????????????????????????
  • (4)???????????????????????????????

34
  • (5)????????????????pp?n-p??,?????????????????
  • (6)????????????????????????????????(???)?

35
??????
  • ??????-??????????
  • ???????????????????????,?????????????????????
    ???

36
Alg(I0/It)KbC
  • ?C???,A ? bLamberts law
  • ?b???,A ? CBeers law

37
  • ????
  • TIt/ I0,?????(transmittance) ,???????????????
  • ????LgIo/It1/T0.434 k,bckbc
  • ALg1/TLgIO/Itkbc,A-????(absorbance)
    ,????????????
  • ?????? optical density,OD
  • ??? extinction,E

38
??????K
  • 1?a(absorptivity)-???????1g/L????????1cm?????,???
    ???????????
  • 2?e(molar absorptivity)-?????????1mol/L????????1c
    m?????,???????????????

39
  • 3?E11cm-???????????????1(W/V)????????1cm?????,?
    ??????????????
  • ?????????eaM E11cm.M/10,??????e?

40
  • 4?????????????????A?,?????????????,????????????
  • 5???????????????????????????????????????????????
    ??

41
  • ???????????????0.002???,??1cm????,?278nm???
    ??????A?0.614,??????????????????E11cm?(????323.15
    )

42
  • ????e?????
  • (1)e??????????e???????????,???????????,?????????
    ?????????????????????????,?????,?????????e????

43
  • (2)e????????????????????????,????????
  • ??e??10105??,egt104????,e?103104?????,elt103??
    ???

?????,e120????(DDTC)??,e12800,??????,e158
000?
44
?????
45
722?????
46
  • ????????????

47
(No Transcript)
48
  • ????
  • 1???????
  • 2????????????????
  • 3???????????????????

49
  • ????????????????
  • (1)?????320nm2500nm????????????????????,???????
    ??

50
  • (2)??????????????,???????????????,?????

51
  • ???????180375nm?????,???????????,????????,????
    ????????

52
????!
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