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大孔径毛细柱在国外(如SUPELCO公司)已有商品出售。国内也有文献报道。我们根据大庆石油管理局需求。研究了不同口径毛细柱的制备方法并对其性能做了考察。 一、大孔毛细柱的制备 (一) 用95硬质玻璃拉制成0.42、0.55、0.7mm不同口径的玻璃毛细管柱。经1∶1盐酸处理后,使用国产甲基乙烯基硅橡胶固定液(相当于OV-1)涂渍。对于口径0.42mm和0.55mm的毛细管柱可采用动态涂渍或静态涂渍,而对于0.7mm口径的毛细管柱,
Large aperture capillary column in foreign countries (such as SUPELCO company) has been the sale of goods. Domestic literature has also been reported. We are based on the needs of Daqing Petroleum Administration. The preparation methods of capillary columns with different diameters were studied and their properties were investigated. First, the preparation of macroporous capillary column (A) with 95 hard glass drawn into 0.42,0.55,0.7 mm different diameter glass capillary column. After 1: 1 hydrochloric acid treatment, using a domestic methyl vinyl silicone rubber fixative (equivalent to OV-1) coating. For 0.42mm and 0.55mm diameter capillary column can be used dynamic coating or static coating, and for the 0.7mm diameter capillary column,