Pestizide in Obst und Gemüse

技术

gas chromatography (GC): suitable
solid phase extraction (SPE): suitable

试验参数

sample preparation: SPE (Solid Phase Extraction)
sample/matrix: homogenize 50 g sample in 100 mL acetonitrile then add 10 g NaCl and homogenize 5 min
SPE tube/cartridge: ENVI-Carb, 500 mg/6 mL
column: 14% cyanopropylphenyl polysiloxane, 30 m × 0.25 mm I.D., 0.15 μm (Supelco equivalent, Equity-1701, 28372-U)
oven: 70 °C (2 min), 25 °C/min to 130 °C, 2 °C/min to 220 °C, 10 °C/min to 280 °C (4.6 min)
detector: MSD, 285 °C
carrier gas: helium
injection: 2 μL splitless

适用性

application for SPE

应用

agriculture
food and beverages