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HomeSolid Phase Microextraction (SPME)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

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 process260 °C for 3 min.
extractionheadspace, 65 °C (30 min)
SPME fiber2 cm Metal coated with 50/30 µm DVB/Carboxen/PDMS (57914-U)
columnSLB-5ms, 30 m x 0.25 mm I.D., 0.25 µm (28471-U)
oven60 °C (2 min), 8 °C/min to 200 °C
carrier gashelium, 1 mL/min constant
sample20/10 ppt odor compounds in 25 mL water + 25% NaCl
liner0.75 mm I.D., SPME
MSD interface300 °C
scan rangeSIM, m/z = 137, 124, 95, 112

Description

CategoriesAnalytical Chromatography, SPME Applications, GC Applications, Volatiles
Featured IndustryEnvironmental
Food and Beverages
Legal InformationSLB is a registered trademark of Sigma-Aldrich Co. LLC
Other NotesComplementary 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
suitabilityapplication for SPME, application for GC

Analyte

  • (±)-Geosmin
  • 2-Isobutyl-3-methoxypyrazine
  • 2-Isopropyl-3-methoxypyrazine
  • 2-Methylisoborneol
Materials
Product NumberProduct NameProduct DescriptionPricing
546461聚[2-甲氧基-5-(3′,7′-二甲基辛氧基)-1,4-亚苯基亚乙烯基]light-emitting polymer
687316聚（3,4-乙撑二氧噻吩），双- 聚乙二醇，月桂基封端0.7 wt. % (dispersion in nitromethane)
649805聚(乙撑二氧噻吩)-block-聚(乙二醇)溶液1 wt % dispersion in nitromethane, contains perchlorate as dopant
483095聚乙撑二氧噻吩-聚 苯乙烯磺酸盐1.3 wt % dispersion in H2O
655201聚乙撑二氧噻吩-聚 苯乙烯磺酸盐high-conductivity grade, 3.0-4.0% in H2O
739324聚乙撑二氧噻吩-聚 苯乙烯磺酸盐1.5% in H2O, high-conductivity grade, neutral pH
739332聚乙撑二氧噻吩-聚 苯乙烯磺酸盐1.1% in H2O, high-conductivity grade, surfactant-free
560596聚乙撑二氧噻吩-聚 苯乙烯磺酸盐2.7 wt % dispersion in H2O
739316聚乙撑二氧噻吩-聚 苯乙烯磺酸盐0.8% in H2O, conductive inkjet ink
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