Sol Gel capillary column is a new type of column for gas chromatography. Compared with the conventional column, this new type of column requires much shorter time of preparation. Owing to the formation of chemical bonds between the coating layer and the inner wall of the capillary, the thermal stability of the column is greatly increased. Some sol gel columns can stand temperature as high as 430 °C . Besides thermal stability, the sol gel columns also shows higher smaple capacity because of the porous ...
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O652
【正文快照】
190 3年俄国科学家 Tswett将绿叶浸取液的各种成分用一根填有碳酸钙的玻璃柱分开了。这标志着色谱学的诞生。而将气相色谱分析法大大向前推进一步的功绩则应归于 Martin A JP和他的同事 James AT。Golay M JE是另一位推动气相色谱向前发展的重要人物 [1,2 ]。他提出用毛细管柱?
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