技術
LC/MS: suitable
solid phase extraction (SPE): suitable
測試參數
sample preparation: Dispersive (QuEChERS)
sample/matrix: 1.9 g of cannabis spiked with pesticides at 50 ng/g
extraction tube: Supel QuE Citrate extraction tube (55227-U)
extraction process: add 10 mL of acetonitrile; shake for 30 minutes at 2500 rpm on shaker; add contents of Supel QuE citrate extraction tube; (shake immediately for 1 minute; centrifuge at 5000 rpm for 5 minutes)
clean-up tube: Supel QuE Verde, 2 mL (55227-U)
clean-up process: transfer 1 mL of acetonitrile layer into Supel QuE Verde cleanup tube; shake for 1 minutes; (centrifuge at 5000 rpm for 3 minutes; draw of supernatant for LC/MS/MS analysis)
column: Ascentis RP-Amide, 10 cm x 2.1 mm I.D., 3.0 μm particles (565301-U)
column: Ascentis RP-Amide Supelguard guard cartridge, 2 cm x 2.1 mm I.D., 5 μm particles (565372-U)
mobile phase: [A] 5 mM ammonium formate, 0.1% formic acid in 95:5 water:acetonitrile; [B] 5 mM ammonium formate, 0.1% formic acid in 5:95 water:acetonitrile
gradient: 10% B held for 1 min; to 100% B in 13 min; held at 100% B for 6 min; to 10% in 0.5 min; held at 10% B for 6 min
flow rate: 0.4 mL/min
column temp.: 30 °C
detector: MRM
injection: 5 μL
sample: QuEChERS extract of cannabis in acetonitrile
適合性
application for LC-MS
application for SPE
應用
environmental
分析報告
其他說明
法律資訊
分析物
溶劑
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