001_TOC.qxp - page 63

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GCCHROMATOGRAMS | ENVIRONMENTAL
Haloacetic Acids
HaloaceticAcids&Dalapon
USEPAMethod552.2
Rtx®-CLPesticides&Rtx®-CLPesticides2
Peak List Conc.(µg/mL)
1. methyl monochloroacetate 1.2
2. methyl monobromoacetate 0.8
3. methyl dichloroacetate 1.2
4. dalaponmethyl ester 2
5. methyl trichloroacetate 0.4
6. 1,2,3-trichloropropane (IS) 4
7. methyl bromochloroacetate 0.8
8. methyl bromodichloroacetate 0.8
9. methyl dibromoacetate 0.4
10. methyl chlorodibromoacetate 2
11. methyl 2,3-dibromopropionate (SS) 2
12. methyl tribromoacetate 4
GC_EV01006
GC_EV01007
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 IDRxi® deactivated guard tubing (cat.# 10039),
connected usingUniversal “Y” Press-Tight® Connector (cat.# 20405-261)
Sample: Haloacetic AcidMethyl EsterMix#2 (cat.# 31647), DalaponMethyl Ester (cat.# 32057),
Methyl-2,3-dibromopropionate (cat.# 31656), 552.2 Internal Standard (cat.# 31648),
diluted inmethyl tert-butyl ether (MTBE)
Inj.: 1µL splitless (hold 0.75min.), 4mm cyclo double gooseneck liner (cat.# 20896)
Inj. temp.: 250°C
Carrier gas: helium, constant flow
Linear velocity: 25cm/sec.@ 35°C
Oven temp.: 35°C (hold 4min.) to 250°C (hold 5min.)@ 15°C/min.
Detector temp.: µ-ECD@ 300°C
Rtx®-CLPesticides
Rtx®-CLPesticides2
Website :www.chromtech.net.auE-mail :info@chromtech.net.auTelNo : 03 9762 2034 . . . inAUSTRALIA Mar 2011