TABLE OF CONTENTS - BGB Analytik AG

GC and GC/MS
Environmental Applications, Pesticides and Herbicides
Phenoxy Acid Herbicides - Methyl Derivatives, EPA 8151A
Column: DB-35ms
123-3832
30 m x 0.32 mm, 0.25 µm
123-1236
Carrier: Helium at 45 cm/sec (EPC in constant flow mode)
Oven: 50°C for 0.5 min
50-100°C at 25°C/min
100-320°C at 12°C/min
320°C for 2 min
Injection: Splitless, 250°C
30 sec purge activation time
Detector: µECD, 350°C
Nitrogen makeup gas
(column + makeup flow =
30 mL/min constant flow)
Sample: 50 pg per component
Suggested Supplies
Septum: 11 mm Advanced Green septa,
5183-4759
Liner: Splitless, single taper, deactivated,
4 mm ID, 5181-3316
Syringe: 10 µl tapered, FN 23-26s/42/HP,
5181-1267
DB-35ms
Nitrogen Containing Herbicides (EPA Method 507)
Column: DB-35
125-1937
30 m x 0.53 mm, 0.50 µm
Carrier: Helium at 38 cm/sec (5 mL/min),
measured at 150°C
Oven: 60°C for 1 min
60-290°C at 15°/min
290°C for 5 min
Injection: Megabore Direct, 290°C, 1 µL of 3 ng/µL standard
Detector: NPD, 290°C
372 www.agilent.com/chem/supplies
1
1. Dalapon
2. 3,5-Dichlorobenzoic acid
3. 4-Nitrophenol
4. Methyl-2,4-dichlorophenylacetate (SS)
5. Dicamba
6. MCPP
7. MCPA
8. 4,4
9. Dichloroprop
10. 2,4-D
2
3
11. Pentachlorophenol
12. 2,4,5-T,P
13. 2,4,5-T
14. Chloramben
15. Dinoseb
16. 2,4-DB
17. Bentazone
18. DCPA
19. Picloram
20. Acifluorofen
2 4 6 8 10
12 14
16
Time (min) GCEP017
1
2
3 4 5
6
8
7
10
9
12
11 13
4
5
6 7
8
9
10
11
12
13
14 15
7 8 9 10 11 12 13
Time (min)
14 15 16 17 18 19
16
14
15
17
18, 19
20
21
16
22
17
18
GCNITR01
19
1. Eptam
2. Sutan
3. Vernam
4. Tillam
5. Ordram
6. Treflan
7. Balan
8. Ro-Neet
9. Propachlor
10. Tolban
11. Propazine
12. Atrazine
13. Simazine
14. Terbacil
15. Sencor
16. Dual
17. Paarlan
18. Prowl
19. Bromacil
20. Oxadiazon
21. GOAL
22. Hexazinone
20