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tanglong1088

铁虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
什么检测器?什么设备?应该是色谱吧?

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11楼2014-02-10 20:57:38
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chuansen

银虫 (小有名气)

进标样出峰正常吗
12楼2014-02-10 22:17:05
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lovecindy126

新虫 (初入文坛)

【答案】应助回帖

感谢参与,应助指数 +1
I think this was caused by the dirty pre-column, just change the pre-column, it should be fine
13楼2014-02-12 04:45:08
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xiaofei_lu

木虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
1.看看pH是否在柱子的允许范围内;
2.看看是不是保护柱被污染,换一个保护柱试试;
3.如果不是,用不同比例的水和乙腈仔细冲洗柱子;
4.如果还解决不了,把色谱柱反接冲洗;
5.实在不行换柱子看看。
欢迎关注我的微信公众号AnalyticalChem专业的分析化学、色谱质谱知识平台
14楼2014-02-12 05:26:50
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小贵子墨墨

新虫 (初入文坛)

【答案】应助回帖

请问楼主的问题解决了吗?我现在也遇到了相似的问题,变换流动相PH值、换色谱柱、换仪器、换溶剂都试过,还是分叉,但是以前做就好好的。
15楼2015-09-06 11:21:05
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