Title: ???? Analytical Chemistry
1????Analytical Chemistry
???
2 ???????
- 1.??26???,(??42??,6?)?
- 2.???????????????,??????
3?????
- ??
- 1. ????,R.Kellner??,??? ?????,???????,2001,8
- 2. ????(???),?????,???????,2000,3
- 3. 21???????,?????,?????,1999
-
44. ??????,????,?????, 1991
- 5. Chemical equilibrium and analysis,Ramette,
Richard W.,Addison-Wesley Pub. Co., 1981 - 6. Quantitative chemical analysis (5th ed),Daniel
C. Harris,New York W.H. Freeman, c1999. - ??????????E315?
5 61.1 ??????????
- ????????????????????,?????????????????????????,???
??????? - ???????????????????????????????????????????
7- ??1991?IUPAC??????????E.NIKI????,21???????????????
?????????????????????????????,????????????????????
???????
8 ???????
- 1) ???????????????,???,?????????????(70ng),?7????
???. - 2) ????????????110-7 210-6??310-6
110-5?????????110-5???????,??????.
???????7?g??? - ???????????????????
- 3) ?????????,1000??.?200???,?????????????
- 4)?????????(???????),As?Pb????,??????????
9???????????????
- 1)?????
- ??????????????????????
- 3)????????
- 4)?????????????
- 5)??????????
- 6)??????????????????
- 7)?????????
- 8)???????
10???Douglas A. Skoog?? Analytical
Chemistry 2000,7th ed.
????????????????????
11- ????????????????????(??????????????---) ?
- ???????????????????????????????????????????????
?
12 1.2 ??????
- ?? ?? ???? ?? ??
- ?? ?? ?? ????
- ???? ?? ?? (gt1,???)
- ???? ?? ????
- ???? ?? (?????)
13 1.3 ??????
????? ???? ???? ?????????????
- ?????
- ??????-???????????????????????????????
- ??????????????????
- ???????????GC?HPLC
- ???MS???????????????
14 ???????
- ?? ??????(mg) ??????(mL)
- ?? gt100 gt10
- ??? 10100 110
- ?? lt10 lt1
???????? ????(gt1)?????(0.01-1)?????(lt0.01)
15 1.4 ???????
- 1.4.1 ????
- 2HClNa2CO32NaClH2CO3
- ??? ?????(sp)
- ??? Stoichiometric
point - ????(ep)
- End point
- ????? ????(Et )
16 1.4.2 ?????????? ?????
1. ???????????(99.9??) 2. ?(????????)
3. ??????????(???)?
????
- ?????K2Cr2O7??Na2S2O3(KI)
??? AlEDTA(??)?
CaCO3HCl(??)
171.4.3 ?????????
- ?????????????
- 1. ????K2Cr2O7?KBrO3
- 2. ?????NaOH?HCl?EDTA?KMnO4?I3-
- ????
- 1. ????????(H2C2O42H2O?NaCl )
- 2. ??gt99.9
- 3. ??(Na2CO3?CaCO3?Na2C2O4?)
18?????????
??? ??? ??? ??? ???? GR AR
CP BR ???? ? ? ? ???
????p7-15 ??????????????
191.4.4 ??????????
- ????????
- ???(???)?
- ???(???)?
- ???(???)
- ????
- 1.????
- 2.???? ???????
201.4.5 ??????
- ????????????
- ???? n (mol? mmol)
- ????M(gmol-1)
- ??????c(molL-1)
- ??m(g?mg), ??V(L?mL)
- ????w(),????? (gmL-1 ?mgmL-1)
- ?????Mr??????Ar
???? ????
21A. ???????
- 1?????(NaOH?HCl)
- n1n2 c1V1 c2V2
- 2 ?????????(K2Cr2O7)
- ????????????
22?1.1 ?0.01000 molL-1 K2Cr2O7??
??250.0mL,?m?
- ? m(K2Cr2O7)nMcVM
- 0.010000.2500294.20.7354(g)
- ??????????0.01 molL-1??, ???
- ????0.74g(10) K2Cr2O7????, ???????, ?????????
23B. ?????????1???????
ZA?ZB???A???B???????????????????
24?????????
H2SO4 ????? NaOH ????? NaOH ???????
MnO4- 5Fe2 8H Mn2 5Fe3 4H2O
25?1.4 ?K2Cr2O7?????,????I2?????0.020molL-1Na2S2O3
?????,?????K2Cr2O7??????????????0.1?
- ? Cr2O72-6I-14H2Cr33I27H2O
- I22S2O32-2I-S4O62-
26???----??????
- ????0.25g??K2Cr2O7,?????????????250mL??????,?25m
L?????3??????,???Na2S2O3??. -
??0.10molL-1NaOH ??H2C2O42H2O,?0.15g,
???? ??KHC8H4O4,?0.5g, ?????(?)
27????? ?????
28(?1.6)
29 A?????????
???????
30 ?????
- 1.???? ?????????????????????????
- 2.??????
- M(Mr)? m?n?c?V?w?? ?????
- ?????????? ???????
- ???(nA)????(nB)???
- ?????????????