GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber
Materials
analytical column
Product No.
Description
Pricing
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 gastandard
Product No.
Description
Pricing
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