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Hartree

金虫 (小有名气)

[交流] 如何洗脱杂原子分子筛非骨架上的杂原子

好像有人说用硝酸洗
具体是在那一步?

焙烧前还是焙烧后?

谢谢
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xmclyn

铁杆木虫 (知名作家)

男怕优柔寡断,女怕矫揉做作

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rabbit7708(金币+3,VIP+0):多谢热心应助!:)
A. Sakthivel, S. E. Dapurkar, P. Selvam, Mesoporous (Cr)MCM-41 and (Cr)MCM-48 Molecular Sieves: Promising Heterogeneous Catalysts for Liquid Phase Oxidation Reactions, Catal. Lett., 2001, 77(1–3):155–158

P. A. Barrett, G. Sankar, A. C. R. Catlow, J. M. Thomas, X-ray absorption spectroscopic study of Brønsted, Lewis and redox centers in cobalt-substituted aluminum phosphate catalysts, J. Phys. Chem., 1996, 100:8977–8985

中讲用醋酸铵洗涤,你看看吧
2楼2007-11-10 18:54:08
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zhangwengui330

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优秀版主

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rabbit7708(金币+1,VIP+0):多谢热心应助!:)
硝酸洗还不如用硝酸铵洗,其实就是离子交换,都是在焙烧前洗
交换好后再被烧下,利用硝酸铵的易分解性能,就可以得到表面氢化的分子筛
3楼2007-11-10 18:56:04
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