三聚氰胺检测GC-MS方法

经过验证的可靠三聚氰胺检测方法
Gas Chromatograph Thermo Scientific TRACE™ GC Ultra
Column TR-5MS (30 m x 0.25 mm x 0.25 µm)
260F142P
Injection Method S/SL
Injection Port Temperature 250 ºC
Injection Mode Splitless with Surge
Syringe 5 µl
Injection Volume 0.5 µl
Carrier Gas He
Gas Carrier Flow Rate 1 mL/min
Oven Method
Initial Temperature 100 ºC
Initial Time 1.00 min
Rate 1 15.0 ºC/min
Hold Temp 1 210 ºC
Hold Time 1 1.00 min
Rate 2 30.0 ºC/min
Final Temperature 300 ºC
Hold Time 3 5.00 min