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chemistry091

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[求助] TPR求助

TPR测试催化剂用量减半后峰面积不成比例,两次相差特别大,TPR参数未改变,可能原因是什么?求助各位啊
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zyhou

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【答案】应助回帖

chemistry091(金币+2): 谢谢 2011-11-20 21:43:13
1。仪器稳流系统可能有问题。
2。气体中可能含有水。
3。催化剂的前处理温度不够,还可能有吸附水、或者前驱体没有完全分解

可以用空管做一下空白试验
2楼2011-11-20 09:36:43
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