来宝网 2013/7/22点击1933次
婴儿配方奶粉中的三聚氰胺类添加剂分析 Rxi-5Sil MS
1 | 氰尿酸 | Cyanuric acid | 108-80-5 |
2 | 三聚氰胺一酰胺 | Ammelide | 645-93-2 |
3 | 三聚氰胺二酰胺 | Ammeline | 645-92-1 |
4 | 三聚氰胺 | Melamine | 108-78-1 |
5 | 苯代三聚氰胺 | Benzoguanamine | 91-76-9 |
Column | Rxi®-5Sil MS w/5m Integra-Guard Column, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623-124) |
Sample | Infant formula fortified at 1μg/g with Melamine and Related Analogs Stock Standard (cat.# 33253) |
Benzoguanamine (cat.# 33251) | |
Conc.: | 0.01 µg/mL as tri-TMS derivatives |
Injection | |
Inj. Vol.: | 1.0 µL splitless (hold 1 min) |
Liner: | 3.5mm Gooseneck Splitless w/Wool (cat.# 22286-200.1) |
Inj. Temp.: | 280 °C |
Oven | |
Oven Temp: | 75 °C to 320 °C at 15 °C/min (hold 4 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1 mL/min |
Detector | MS |
Mode: | SIM |
Transfer Line Temp.: | 290 °C |
Ionization Mode: | EI |
Instrument | Shimadzu 2010 GC & QP2010+ MS |
Notes | all method ions in table, only quantification ions were plotted |