580
GCCHROMATOGRAMS |
ENVIRONMENTAL
Herbicides
ChlorophenoxyacidHerbicides
USEPAMethod615
Rtx®-5
min.
5
10
15
20
25
30
GC_EV00095
Column:
Rtx
®
-5, 30m, 0.53mm ID, 0.50µm (cat.# 10240)
Sample:
0.5µL direct injection of chlorophenoxy herbicides,
on-column concentration 10–10,000µg/mL
Oven temp.:
60°C to 150°C@ 8°C/min. (hold 5min.),
to 210°C@ 4°C/min.
Inj./det. temp.:
250°C/275°C
Carrier gas:
helium
Linear velocity:
35cm/sec. set@ 60°C
Det.:
ECDw/anode purge
1
2
3
4
5
7
8 6
9
10
12
11
1. dalapon
2. DCAA (SS)
3. dicamba
4. MCPP
5. MCPA
6. DBOB (IS)
7. dichlorprop
8. 2,4-D
9. 2,4,5-TP
10. 2,4,5-T
11. dinoseb
12. 2,4-DB
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Mar 2011
