Standard Methods 6040D: GC Analysis of Geosmin and 2-MIB on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

Standard Methods 6040D: GC Analysis of Geosmin and 2-MIB on SLB®-5ms after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

Conditions

desorption process 260 C for 3 min.
extraction headspace, 65 C (30 min)
SPME fiber 2 cm Metal coated with 50/30 µm DVB/Carboxen/PDMS (57914-U)
column SLB-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U)
oven 60 C (2 min), 8 C/min to 200 C
carrier gas helium, 1 ml/min constant
sample 20/10 ppt odor compounds in 25 mL water + 25% NaCl
liner 0.75 mm I.D., SPME
MSD interface 300 C
scan range SIM, m/z = 137, 124, 95, 112

Description

Categories Analytical Chromatography, SPME Applications, GC Applications, Volatiles
Featured Industry Environmental
Food and Beverages
Legal Information SLB is a registered trademark of Sigma-Aldrich Co. LLC
Other Notes Complementary products:
Syringes
Vials
Gas Purification and Gas Management
Inlet Liners, Glass Wool, and Specialized Hand Tools
Septa and Specialized Hand Tools
Column Ferrules, Nuts, and Specialized Hand Tools
suitability application for SPME, application for GC

Analyte

  • (±)-Geosmin
  • 2-Isobutyl-3-methoxypyrazine
  • 2-Isopropyl-3-methoxypyrazine
  • 2-Methylisoborneol

Materials

     
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