摘要
以甲硅烷高温裂解的方法钝化不锈钢毛细管内表面。用钝化后的柱管制备了涂渍固定液的开管柱(WCOT)和固体吸附剂的多孔层开管柱(PLOT),两种柱子都能在400℃以上的高温操作,并在石油化工分析中得到应用。不锈钢高温毛细管柱的出现,解决了弹性石英毛细柱在高温下容易断裂的问题。
A layer of elemental silicon was deposited on the surface of stainless steel tubing by means of CVD.With the deactivated tubings two kinds of capillary columns were prepared:(1) cross linked,silanol-terminated methyl polysiloxane WCOT,(2) Molecular sieve 13X PLOT.Instead of fused silica capillary columns both stainless steel WCOT and PLOT columns can be operated at temperature over 400℃ With a macrobore WCOT co- lumn,high temperature simulated distillation was performed successfully.Rapid PNA (paraffin,naphthene and aromatic) analysis by amultidimensional GSC system using PLOT columns is described.
出处
《色谱》
CAS
CSCD
北大核心
1991年第4期211-214,共4页
Chinese Journal of Chromatography
