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气相色谱填充柱应用谱图集 http://www.instrument.com.cn/netshow/SH101420/down_208960.htm Empty Glass GC Column, for PerkinElmer? 115, 300, 900, 2000, and Sigma (Not On-Column) Silane treated empty glass column. Fittings are not included. ? X (length of injector arm) = 8.62 in. (219 mm) ? Y (length of detector arm) = 8.62 in. (219 mm) ? S (span, injector to detector) = 8.75 in. (222 mm) This column fits PerkinElmer 115, 300, 900, 2000, and Sigma (not on-column injection).