G005535

GC Analysis of Volatiles in Green Arabica Coffee on SUPELCOWAX 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber

suitable for GC, application for SPME

屬性

• 技術: gas chromatography (GC): suitable; solid phase microextraction (SPME): suitable
• 測試參數: sample/matrix: Arabica coffee beans, green, 2 grams with pre-equilibration of 10 min at 60 °C, the entire process under agitation at 500 rpm; SPME fiber: divinylbenzene/carboxen on polydimethylsiloxane, 50/30 μm (57328-U); extraction: headspace, 40 min at 60 °C; desorption process: 5 min; column: SUPELCOWAX 10, 30 m × 0.25 mm I.D., 0.25 μm (24079); oven: 40 °C (5 min), 4 °C/min to 230 °C, 50 °C/min to 280°C (2 min); inj. temp.: 260 °C; detector: MS (Shimadzu GCMS-QP2010) ionization energy 1.5 kV; mass range: 40-400 amu; scan mode, scan interval : 0.5 sec; MSD interface: 230 °C, source temp. 200 °C; carrier gas: helium, 34.0 cm/s and 40.3 KPa; injection: splitless 5 min, then split ratio 1:20; liner: 0.75 mm i.d.
• 適合性: application for SPME
• 應用: food and beverages

描述

法律資訊

分析物

Butylone hydrochloride
Mephedrone hydrochloride
Methylone hydrochloride
Methedrone hydrochloride