US EPA Method 8260: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis
Materiales
Analytical column
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For use with
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Jeringa Hamilton®, 1000 gama GASTIGHT®, cierre Luer de PTFE
1005TLL, PTFE Luer lock, volume 5 mL, needle size (not included)Jeringa Hamilton®, 1000 gama GASTIGHT®, cierre Luer de PTFE
1005SLPT (for Purge & Trap), volume 5 mL, needle size (not included)Related product
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EPA Vials, white polypropylene screw top hole cap, pre-cleaned and assembled
volume 40 mL, clear glass vial, vial O.D. × H 29 mm × 82 mm, pkg of 72 eaEPA Vials, white polypropylene screw top hole cap, pre-cleaned and assembled
volume 40 mL, amber glass vial, O.D. × H 29 mm × 82 mm, pkg of 72 eaStandard
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8260A Surrogate Standards Mix
certified reference material, 2000 μg/mL each component in methanol8240B/8260A Matrix Spike Mix
certified reference material, 2500 μg/mL each component in methanol8260 Volatiles Calibration Mix
certified reference material, 2000 μg/mL each component in methanolTCL Volatiles Mix 1
certified reference material, 2000 μg/mL each component in methanol: water (9:1)sample prep
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Purge/Trap K Vocarb® 3000
for use with Tekmar® Velocity XPT, LSC-1, LSC-2, LSC-2000, 4000 (Straight, 12 in./30.5 cm, Swagelok fitting), HT-3Purge/Trap K Vocarb® 3000
for use with Tekmar® 3000, 3100 (Straight, 12 in./30.5 cm, Valco fittingCONDITIONS
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
1 min
desorption preheat
205 °C
desorption process
150 mL/min at 210 °C for 1 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
220 °C
scan range
m/z = 35-400
carrier gas
helium, 1.5 mL/min
injection
100:1 split
liner
0.75 mm I.D. SPME
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Legal Information
VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany