AOAC SPIFAN Vanillin Working Group (December 13, 2022)
Technology Route
LC-MS/MS
色 谱柱 :C18 柱 ,250 mm × 4.6 mm , 5 μm Chromatographic column: C18 column, 250mm × 4.6mm, 5μm 柱温 :30 ℃ Column temperature:30 ℃ . 进样量 :5 μ L Injection volume:5 μ L. 流速 :0.3 mL/min Flow rate: 0.3 mL/min. 流 动相 :A 相 :0.5% 甲酸溶液 ;B 相 : 乙 腈。(梯度洗脱) Mobile phase: A phase: 0.5% formic acid solution; B phase: acetonitrile. (Gradient elution) 电离方式 : 电喷雾电离 , 正离子模式 Ionization mode: electrospray ionization, positive ion mode. 扫描方式 : 多反 应监测 (MRM) Scanning mode: Multi-reaction monitoring (MRM). 干燥气温度 :300 ℃ Drying gas temperature: 300 ℃ . 干燥气流速 :8L/min Drying gas flow rate: 8L/min. 鞘气温度 :350 ℃ Sheath gas temperature: 350 ℃ . 鞘气流速 :10L/min Sheath gas flow rate:10L/min.
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