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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©, 2002

2002 5 24

5988-6635CHCN

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