G003758

Multiresidue pesticides in spinach

suitable for GC, application for SPE

屬性

• 技術: gas chromatography (GC): suitable; solid phase extraction (SPE): suitable
• 測試參數: sample preparation: SPE (Solid Phase Extraction); sample/matrix: 10 g of fresh spinach spiked at 0.2 ppm each pesticide; SPE tube/cartridge: Supelclean ENVI-Carb-II/PSA, 500mg/300mg/6mL (55119-U); condition: 5 mL acetonitrile:toluene (3:1, v/v); sample addition: 1 mL concentrated sample extract; elution: 20 mL acetonitrile:toluene (3:1, v/v); eluate post-treatment: Evaporate eluate to dryness with nitrogen at 40 °C. Reconstitute in 1 mL acetone:hexane (1:1, v/v).; column: Equity-1, 30 m x 0.25 mm I.D., 0.25 μm (28046-U); oven: 50 °C (5 min), 25 °C/min to 125 °C, 10 °C/min to 30 °C (8 min); inj. temp.: 200 °C, aux: 325 °C (8 min); detector: MSD, scan range 45-450 amu; carrier gas: helium, 0.9 mL/min., constant flow mode; injection: 1 μL, splitless (splitter open at 1 min); liner: 4 mm I.D., single taper
• 適合性: application for SPE
• 應用: agriculture; food and beverages

描述

應用

Sample Pre-treatment:
Homogenize 10 g of spinach in 10 mL of acetonitrile.

法律資訊

Supelclean is a trademark of Sigma-Aldrich Co. LLC