Chin-Kai Meng
Agilent Technologies, Inc.
2850 Centerville Road
Wilmington, DE 19808-1610
USA
(ESI) (APCI)
(APPI) /
( ) ( ) ESI APPI
APCI
APCI APPI ESI (S/N)
ESI
APCI APPI S/N APPI
ESI- APPI- APCI/MSD
/ (GC/MS)
UV
(API) /
(LC/MS)
LC/MS (DAD)
LC/MS
3 API
(ESI) (APCI) [1]
(APPI) [2] ESI
APCI APPI
APCI
APPI / 10.6 eV
10 ppm (ng/µL)
AccuStandard (New Haven, CT)
1 2
2 G1946D LC/MSD
ESI APCI/APPI 1
LC/MS
2
1. 12
(Aminocarb)
(Chlorpropham)
(Oxamyl) (Propham) (Propoxur) (Swep)
(Methiocarb)(Methomyl)
(Mexacarbate)
(Barban) (Carbaryl) (Carbofuran)
3
2. 7
ESI APCI APPI
Zorbax Eclipse XDB-C8, 4.6 x 50 mm, 3.5 µm ( 935967-906)
30°C 30°C 30°C
1 mL/min 1 mL/min 1 mL/min
A , 0.1%
B 0.1%
40µL/min
B: 0 min10%, 4 min 30%, B: 0 min 30%, 4 min 40%, 13 min 70%, 16 min 80% 16 min 80%
2 µL 2 µL 2 µL
12 L/min 11 L/min 11 L/min
350°C 275°C 275°C
CID 60 V 110 V 110V
(Vcap) 3500 V 4500 V 4500V
60 psi 35 psi 35 psi
225°C 225°C
0.1 0.1 0.1
(min) 0.15 0.15 0.15
(m/z) 150-800 115-500 115-500
1 LC/MS
(Diuron)
(Monuron) (Neburon) (Siduron)
(Fenuron) (Flurometuron) (Linuron)
4
3 APPI
40µL/min
1000
3. TIC APPI TIC B
APPI,
APPI,
5
APPI
LC 4
APPI
5 3 15 15.5 min
ESI
ESI
APCI APPI 5 15
4. TICs APPI
AB
AB
B: 0 min 10%, 3 min 30%, 8 min 80%, 12 min 80%
6
5. 3 ESI
7
20 ng 3 ESI
APCI APPI 6 7 8
233 [M+H]+ 233 235 237
ESI
E S I S / N
6. ESI TIC 20 ng (Diuron) ESI
A B 0.05%
8
7. APPI TIC 20 ng (Diuron) APPI
8. APCI TIC 20 ng (Diuron) APCI
9
9 3 (Siduron) m/z
233 ESI
m/z 465
m/z 487 APPI APCI
ESI APPI
APCI
9. APPI APCI ESI ESI
10
10. 4 3 S/N
10 3 S/N
ESI S/N
APCI APPI S/N
APCI APPI S/N ESI
S/N APPI S/N
APCI S/N
11. ESI SIM 163 (Methomyl) 20-2000pg2µL 1
1 PE Sciex Analyst TM
(Methomyl) [M+H]+ m/z 163
20-2000pg
11 ESI
0.9996 12 4
11
12. AnalystTM 11 4 (Methomyl) 163
20 pg on column 100 pg
1000 pg200 pg
12
13. ESI 3
ESI 3
13
3 mexacar-
bate
SIM
13
ESI APCI APPI
ESI APPI APCI
ESI
S/N APCI APPI
APCI APPI
S/N ESI S/N APPI
SIM ESI
20pg ESI
1. "Basics of LC/MS, " Agilent Technologies Pimer,Publication 5988-2045EN, 2001 2 15 "
2. “PhotoMate Atmospheric Pressure PhotoionizationSource from Syagen Technology,” Agilent Technolo-gies Brochure, Publication 5988-3130EN, 2001 525
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http://www.agilent.com/chem.
©, 2002
2002 5 24
5988-6635CHCN
www.agilent.com/chem