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GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber

GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber suitable for GC, application for SPME

Materials

analytical column

Product No.
Description
Pricing

VOCOL® Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 1.50 μm

SPME fiber

Product No.
Description
Pricing

SPME fiber assembly Carboxen/Polydimethylsiloxane (CAR/PDMS)

df 75 μm(CAR/PDMS, for use with manual holder, needle size 24 ga

standard

Product No.
Description
Pricing

EPA 502/524.2 VOC Mix

200 μg/mL each component in methanol, analytical standard

CONDITIONS

sample/matrix

1 ppb each analyte in 3 mL water (25% NaCl added) in 4 mL vial

SPME fiber

Carboxen/PDMS, 75 μm (57318)

extraction

headspace, 40°C (20 min), with stirring

desorption process

5 min., 310 °C

column

VOCOL®, 30 m × 0.25 mm I.D., 1.5 μm (24205-U)

oven

40°C (2 min) to 210°C at 8°C/min

detector

ion trap, MS, m/z = 45-260 (0.6sec/scan)

carrier gas

helium, 35 cm/sec

injection

splitless/split (closed 2 min), 0.75 mm I.D. liner

Description

Legal Information

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