安捷伦气相色谱柱 DB-WAX 30m*0.25mm*0.25um

安捷伦气相色谱柱 DB-WAX 30m*0.32mm*0.25um

DB-1毛细管柱

Bonus-RP 4.6*150mm 3.5μm

Poroshell 120 EC-C18 3.0*150mm 2.7μm

Eclipse Plus C18 2.1*150mm 3.5μm

ZORBAX Extend-C18 4.6*250mm 5μm

Extend-C18 4.6*150mm 5μm

Eclipse XDB-C18 4.6*150mm 5μm

Poroshell 120 EC-C18 4.6*150mm 2.7μm