IC/MS/MS???????????????????????? ???????

1
IC/MS/MS???????????????????????????????

• 2006?9?5?
• ???????????

?????????????? ?????????????????????
2

• ????????????????
• ???(BrO3-, ???????????H16)
• ???(ClO3-)?????(ClO2-)(?????????H16)
• ?????????????????????????
• ????(MCAA,DCAA,TCAA?????
• ??????????H16)
• ???????????????????????????????-?????????????????
  ???????????????
• ?????????????????????????????????????????????????
  ?MTBE????????????(?????9???????)??????????????????
  ????????

???????????????????????????????????????
3
????(ClO4-)

• ?????????????????????????????????????????????????
  ?????????????????????????????NAS???????????????20
  05?1?????
• ???????????????????????????????????24.5
  µg/L???????(????????100???????????????????)
• ??EPA?????IC/MS/MS?

4

• IC??
• ?? ICS-2000 (Dionex?) AS50 (Dionex?)
• ??? IonPac AG20(f2mm) AS20(f2mm)
• ??? KOH 10 - 80mM (0 - 22minGradient)
• ????? 0.25mL/min
• ????? 35?
• ?????? ASRS ULTRAII(2mm)
• ?? 55mA
• ??? 100µL
• ?????? 0.2mL/min??( 90???????10?)
• MS/MS??
• ?? ABI 3200Q TRAP
• ????? ESI (Negative mode)
• ??????? MRM

5
???????????Q1,Q3
6
???????????????????????? (1µg/l)
7
????????????????????
8
??????????????????????????
9
IC/MS/MS??????????
??? IC/MS/MS IC/MS (Asami, 2002) GC/ECD,GC/MS
MCAA lt 0.1µg/l 1.0µg/l 1.010µg/l
DCAA lt 0.1µg/l 1.3µg/l 0.52.1µg/l
TCAA lt 0.3µg/l 3.3µg/l 0.51.3µg/l
MBAA lt 0.1µg/l 1.4µg/l 1.05.0µg/l
DBAA 0.2-0.5µg/l 1.1µg/l 0.31.0µg/l
TBAA lt 0.2µg/l 6.0µg/l 5.050µg/l
BCAA lt 0.2µg/l 0.9µg/l 0.53.0µg/l
DCBAA lt 0.1µg/l 4.1µg/l 0.510µg/l
DBCAA lt 0.1µg/l 2.6µg/l 1.030µg./l
10s/slope (s????????????, n5) ???
10
IC/MS/MS?IC/MS??????
??? IC/MS/MS IC/MS (Asami, 2002)
ClO2 lt 0.5µg/l 3.4µg/l
ClO3 lt 0.05µg/l 0.5µg/l
ClO4 0.05µg/l
BrO3 lt 0.05µg/l 0.7µg/l
Br lt 0.2µg/l ?20µg/l(IC)
10s/slope (s????????????, n5) ??? ?????????
11
???????????????(1µg/l)
ClO4-
Br-
DCAA
DBAA
MCAA
CBAA
ClO2-
MBAA
ClO3-
DCBAA
BrO3-
DBCAA
TCAA
TBAA
12
???????????????(1µg/l)
SO42-
Cl-
ClO4-
Br-
DCAA
DBAA
MCAA
CBAA
ClO2-
MBAA
ClO3-
DCBAA
BrO3-
DBCAA
TCAA
TBAA
13
??????????????????
Dionex Onguard II Ba/Ag/H??????
14
?????????????????

Dionex Onguard II Ba/Ag/H??????
15
IC/MS/MS????????????

• IC/MS/MS????????????????????????????????
• ??????????????????????????????????????????????????
  ????????????????Ba/Ag/H????????????????
• ????????????IC/MS/MS??????????????????????????????
  ??????????????????????????????????

16
?????????

• ??12????????????????????
• ?????????????????????0.05 µg/L????

17
?????????????????
??N ?????M??????
18
???????

• ??????????????????????0.1917??0.1618
  µg/L?????????
• ?????????????????????????????????????????
• ???????????????????????????????????

19
? ? ?

• IC/MS/MS????????????????????????????????
• ????????????????
• ?????????????? IC/MS/MS???????????????????
• ?????????????????????????????17????18
  µg/L?????????