G003666

標準法 6040D: GCによるゲオスミンおよび 2-MIBの分析、SLB^®-5ms、SPME処理、 50/30 μm DVB/Carboxen/PDMS使用

suitable for GC, application for SPME

特性

• テクニック: gas chromatography (GC): suitable; solid phase microextraction (SPME): suitable
• 試験パラメータ: 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
• 適合性: application for SPME
• アプリケーション: environmental; food and beverages

詳細

法的情報

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

アナライト

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