GC4001A气相色谱仪常见问题及故障排除

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首先应注意,安装、拆卸色谱柱必须在常温下进行,毛细管色谱柱安装插入的长度要根据仪器的说明书而定,不同的色谱汽化室结构不同,插进的长度也不同。需要说明的是,若毛细管色谱柱不采用分流,汽化室采用填充柱接口时,与汽化室连接的毛细管柱不能探进太多,略超出卡套即可。就GC4001A气相色谱仪而言,分流2圈,接进样口端的毛细柱头伸进进样口7cm左右,接检测器端的毛细柱头伸进检测器10cm左右.但在氢焰检测器点火头下2mm处,不可超过点火头,否则漏气或点不着火。
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