G004175
US EPA Method OLM04.2 VOA: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis
suitable for GC
About This Item
technique(s)
gas chromatography (GC): suitable
test parameters
sample/matrix: each analyte at 50 ppb in 5 mL water
purge trap: VOCARB 3000 “K”
purge: 40 mL/min at 25 °C for 11 min
dry purge: 2 min
desorption preheat: 205 °C
desorption process: 150 mL/min at 210 °C for 2 min
bake: 260 °C for 10 min
transfer line/valve temp.: 110 °C
column: VOCOL, 20 m × 0.18 mm I.D., 1.0 μm (28463-U)
oven: 40 °C (0.8 min), 19 °C/min to 125 °C, 32 °C/min to 220 °C (1 min)
inj. temp.: 150 °C
MSD interface: 200 °C
scan range: m/z = 35-400
carrier gas: helium, 1.4 mL/min
injection: 100:1 split
liner: 0.75 mm I.D. SPME
application(s)
environmental
Legal Information
Analyte
analytical column
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