G003666

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

suitable for GC, application for SPME

속성

• 기술: gas chromatography (GC): suitable; solid phase microextraction (SPME): suitable
• 검사 파라미터: SPME fiber: 2 cm Metal coated with 50/30 μm DVB/Carboxen/PDMS (57914-U); extraction: headspace, 65 °C (30 min); desorption process: 260 °C for 3 min.; 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; MSD interface: 300 °C; scan range: SIM, m/z = 137, 124, 95, 112; carrier gas: helium, 1 mL/min constant; liner: 0.75 mm I.D., SPME; sample: 20/10 ppt odor compounds in 25 mL water + 25% NaCl
• 적합성: application for SPME
• 응용 분야: environmental; food and beverages

설명

법적 정보

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

분석물

2-Isopropyl-3-methoxypyrazine 20 ppt
2-Isobutyl-3-methoxypyrazine
2-Methylisoborneol
(±)-Geosmin 10 ppt