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Haloacetic Acids & Dalapon by EPA Method 552.2 on Rtx-CLPesticides & Rtx-CLPesticides2

Haloacetic Acids & Dalapon by EPA Method 552.2 on Rtx-CLPesticides & Rtx-CLPesticides2

PeaksConc.
(µg/mL)
1.Methyl monochloroacetate1.2
2.Methyl monobromoacetate0.8
3.Methyl dichloroacetate1.2
4.Dalapon methyl ester2
5.Methyl trichloroacetate0.4
6.1,2,3-Trichloropropane (IS)4
PeaksConc.
(µg/mL)
7.Methyl bromo(chloro)acetate0.8
8.Methyl bromodichloroacetate0.8
9.Methyl dibromoacetate0.4
10.Methyl chlorodibromoacetate2
11.Methyl 2,3-dibromopropionate (SS)2
12.Methyl tribromoacetate4
image
GC_EV01006
ColumnsRtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141)
using Rxi guard column 5 m, 0.32 mm ID (cat.# 10039)
with deactivated universal “Y” Press-Tight connector (cat.# 20405-261)
SampleHaloacetic acid methyl ester mix #2 (cat.# 31647)
Dalapon methyl ester (cat.# 32057)
Methyl-2,3-dibromopropionate (cat.# 31656)
1,2,3-Trichloropropane (cat.# 31648)
Diluent:Methyl tert-butyl ether (MTBE)
Injection
Inj. Vol.:1.0 µL splitless (hold 0.75 min)
Liner:Cyclo double taper (4 mm) (cat.# 20896)
Inj. Temp.:250 °C
Oven
Oven Temp.:35 °C (hold 4 min) to 250 °C at 15 °C/min (hold 5 min)
Carrier GasHe, constant flow
Linear Velocity:25 cm/sec
DetectorMicro-ECD @ 300 °C
NotesThis chromatogram was obtained using an Agilent micro-ECD. To obtain comparable results, you will need to employ a micro-ECD in addition to confirmational dual columns connected to a 5-meter guard column using a “Y” Press-Tight connector.
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haloacetic acids

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EPA 552.2

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drinking water chlorination

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chlorination

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disinfection byproducts

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552.2

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fast HAAs

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