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管管考研

新虫 (初入文坛)

[求助] 请教一下各位大神,气相色谱检测器信号问题 已有2人参与

安捷伦 GC 6890,换了个干燥管,加了点水往氢气发生器中,结果再用时候FID检测器信号100以上,始终下不来,调节氢气与空气流量比发现,氢气量增大或减小对信号影响较大,调节空气则基本不影响。老化、走样几遍都不行。有遇到过这种问题的么?怎么解决

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zhangyue3012

金虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
可能是氢气不纯,,,基线走的是氮气,,,三种气体按理说应该只和氮气有关

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2楼2017-06-27 08:44:48
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wh03wdd

金虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
检测器拆开清洗一下吧
3楼2017-06-27 16:56:16
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