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US EPA Method 624: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis

US EPA Method 624: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis suitable for GC

Materials

analytical column

Product No.
Description
Pricing

24154

VOCOL® Capillary GC Column

L × I.D. 60 m × 0.25 mm, df 1.50 μm

24205-U

VOCOL® Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 1.50 μm

24256

SPB®-624 Capillary GC Column

L × I.D. 60 m × 0.25 mm, df 1.40 μm

24255

SPB®-624 Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 1.40 μm

28463-U

VOCOL® Capillary GC Column

L × I.D. 20 m × 0.18 mm, df 1.00 μm

28662-U

SPB®-624 Capillary GC Column

L × I.D. 20 m × 0.18 mm, df 1.00 μm

accessory

Product No.
Description
Pricing

20999

Hamilton® syringe, 1000 series GASTIGHT®, PTFE luer lock

1005TLL, PTFE Luer lock, volume 5 mL, needle size (not included)

22780

Fritless Purge Sampler Glassware

size 5 mL, Tekmar® 14-2336-024

22781

Fritted Purge Sampler

size 5 mL, Tekmar® 14-2337-024

22742-U

Fritted Purge Sampler

size 5 mL,

right stem

, Tekmar® 14-3544-124

26294

Hamilton® syringe, 1000 series GASTIGHT®, PTFE luer lock

1005SLPT (for Purge & Trap), volume 5 mL, needle size (not included)

related product

Product No.
Description
Pricing

23188

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 ea

23189

EPA 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 ea

sample prep

Product No.
Description
Pricing

21066-U

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-3

21085-U

Purge/Trap K Vocarb® 3000

for use with Dynatech "Dyna"

21131-U

Purge/Trap K Vocarb® 3000

for use with OI Analytical 4460

21159

Vocarb® 3000 Purge Trap K, CDS

for use with CDS Peakmaster

24920-U

Purge/Trap K Vocarb® 3000

for use with Tekmar® 3000, 3100 (Straight, 12 in./30.5 cm, Valco fitting

24940-U

Purge/Trap K Vocarb® 3000

for use with OI Analytical Eclipse 4660, 4560

standard

Product No.
Description
Pricing

442747-U

Perfluorotributylamine (PFTBA)

analytical standard

46967-U

EPA 624 Calibration Mix B

certified reference material, 2000 μg/mL each component in methanol

47432-U

EPA 624 Purgeable Calibration Mix w/o Gases, includes 2-CEVE

2000 μg/mL each component in methanol, without gases, analytical standard

48101

EPA 8240/8260 VOA Surrogate Spike Mix

certified reference material, 1000 μg/mL each component in methanol

48083

4-Bromofluorobenzene solution

certified reference material, 2000 μg/mL in methanol

CONDITIONS

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

SPB-624, 20 m × 0.18 mm I.D., 1.0 μm (28662-U)

oven

40 °C (1 min), 11 °C/min to 125 °C, 35 °C/min to 230 °C (2 min)

inj. temp.

150 °C

MSD interface

200 °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

Description

Legal Information

SPB is a registered trademark of Merck KGaA, Darmstadt, Germany

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