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sunixss

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[交流] 【求助】投稿中关于XPS问题的回答 已有2人参与

最近投的文章,专家意见中有一条,催化剂的XPS数据问题,这样写道:XPS characterization: C1s data were added and it is a real improvement, but peak positions are quite different for catalyst-A (297.5/297.8 eV) and catalyst-B (294.4/295.7 eV). Authors should comment a bit using literature data (presence of carbonates on catalyst-B ?).
他的意思是不是说C1S的位置差别太大,让我用文献数据说明为什么差别这么大,是吗?怎么说啊?这差别不是实验的仪器和催化剂制备中碳污染引起的吗?引用文献数据的意思是要对比文献中的碳污染来说明我的催化剂的污染在可承受范围之内么?请高手帮忙下,最好能用英文回答掉,呵呵谢谢
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sunixss

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有没有高手指点下啊
2楼2010-08-02 08:10:05
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hsbcwang

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小木虫(金币+0.5):给个红包,谢谢回帖交流
For XPS of C1s, sometimes there is not only one peak located at around 284.5 eV, but also additional peak at around 288 eV. The latter one can be assigned to carbonate on the surface. You can compare it to the literature and explain why there is carbonate formation on your catalyst.
3楼2010-08-02 23:28:49
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