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养熊人

银虫 (初入文坛)

【答案】应助回帖

引用回帖:
9楼: Originally posted by myang1210 at 2011-10-18 09:05:22:
硅铝比为20-400,甚至是全硅的我都做过,只是晶体有时会有缺陷,但 不会出现无定型的,大概时间和洗滤问题,我发现时间越长,晶体缺陷越大,对ZSM-5来说,晶化时间最好控制在5-10h,我用的是干胶转化结晶的。

干胶时间短  你是什么配比做的啊
11楼2011-10-18 21:02:54
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chem26

木虫 (小有名气)

【答案】应助回帖

★
感谢参与,应助指数 +1
tangjy: 金币+1, 感谢应助!欢迎常来催化版! 2012-03-27 09:13:19
干胶转化与水热原位生长的条件是不同的,我觉得有无定形物估计是硅源加的过多吧,粒径大小不一的问题,我听说过可以用分段升温。
我要一步一步往上爬
12楼2012-03-21 14:57:44
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崔崔upc

金虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
楼主的硅铝比20是分子比还是原子比?低硅ZSM-5确实不好做
13楼2012-03-26 20:28:48
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