579
GC CHROMATOGRAMS |
ENVIRONMENTAL
Herbicides
Column:
Rtx
®
-CLPesticides2, 30m, 0.32mm ID, 0.25µm (cat.# 11324) and
Rtx
®
-CLPesticides, 30m, 0.32mm ID, 0.32µm (cat.# 11141), with
5m x 0.32mm ID Rxi
®
deactivated guard tubing (cat.# 10039),
connected using Deactivated Universal “Y” Press-Tight
®
Connector (cat.# 20405-261)
Sample:
200ng/mL Herbicide Mix #1 (cat.# 32055) in hexane
1,000ng/mL Herbicide Mix #2 (cat.# 32057) in hexane
20,000ng/mL Herbicide Mix #3 (cat.# 32059) in hexane
200ng/mL Herbicide Mix #4 (cat.# 32062) in hexane
250ng/mL Herbicide Internal Standard (cat.# 32053) in hexane
400ng/mL Herbicide Surrogate (cat.# 32050) in hexane
Inj.:
1.0µL splitless (hold 0.75 min.),
4mm Cyclo Double Gooseneck inlet liner (cat.# 20895)
Inj. temp.:
250°C
Carrier gas:
helium, constant pressure
Flow rate:
36cm/sec. @ 70°C
Oven temp.:
70°C (hold 0.5 min.) to 190°C @ 25°C/min. (hold 1 min.) to 300°C @ 11°C/min. (hold 5 min.)
Det.:
µ-ECD @ 325°C
Rtx®-CLPesticides
Rtx®-CLPesticides2
1. dalapon methyl ester
2. 3,5-dichlorobenzoic acid methyl ester (SS)
3. 4-nitroanisole
4. DCAA methyl ester (SS)
5. dicamba methyl ester
6. MCPP methyl ester
7. MCPA methyl ester
8. dichlorprop methyl ester
9. 4,4'-DBOB (IS)
10. 2,4-D methyl ester
11. pentachloroanisole
12. 2,4,5-TP methyl ester
13. 2,4,5-T methyl ester
14. chloramben methyl ester
15. 2,4-DB methyl ester
16. dinoseb methyl ester
17. bentazon methyl ester
18. DCPA
19. picloram methyl ester
20. acifluorfen methyl ester
C. contaminant
Herbicides
US EPA Method 8151A
Rtx®-CLPesticides & Rtx®-CLPesticides2
GC_EV00971
GC_EV00971A
<13 min.
chlorophenoxyacid
herbicide analysis!
Fully resolve bentazon and
picloram methyl esters
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
