GC Analysis of Trace Odors in Drinking Water on Equity®-5 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

GC Analysis of Trace Odors in Drinking Water on Equity®-5 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

Conditions

sample/matrix 25 mL of water containing 25% NaCl and drinking water odors kit (47529-U)
desorption process 3 min at 260 °C
extraction headspace, 65 °C (30 min)
SPME fiber 2 cm StableFlex coated with 50/30 µm DVB/Carboxen/PDMS (57348-U)
column Equity-5, 30 m x 0.25 mm, 0.25 µm (28089-U)
oven 60 °C (2 min) to 200 °C at 8 °C/min
flow rate helium, 37 cm/sec @ 60 °C (1 mL/min constant flow)
liner 0.75 mm SPME liner
inj. temp. SPME fiber, splitless opened at after 1 min at 50 mL/min
detector MS, selected ions (SIM) 95, 112, 124, 137, 197; interface at 280 °C

Description

Categories Analytical Chromatography, Food & Beverage Analysis, SPME Applications, GC Applications, Volatiles, Beverage Testing, Drinking Water and Bottled Water
Featured Industry Environmental
Food and Beverages
Legal Information Equity 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
  • 2,4,6-Trichloroanisole
  • 2-Isobutyl-3-methoxypyrazine
  • 2-Isopropyl-3-methoxypyrazine
  • 2-Methylisoborneol

Materials

     
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