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745216141

木虫 (正式写手)

[求助] 活性氧化铝

请问大家制备氧化铝载体时,用多少目的,大家给我推荐点测吸水率的资料吧
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andyyyu

铁杆木虫 (著名写手)

守卫者

【答案】应助回帖

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感谢参与,应助指数 +1
pzypdl: 金币+3, 谢谢应助,欢迎常来! 2012-09-23 12:21:21
745216141: 金币+8, ★★★很有帮助, 谢谢您,我觉得很有帮助 2012-09-23 16:08:26
氧化铝载体的目数视具体使用情况而定,如根据你的反应器构造,扩散影响等等。吸水率的测定方法为:称取一定量(m1)的载体(根据你需要的精度而定,如1g),然后浸渍到称有水的烧杯中,至无气泡产生后再维持一定时间(如1h),取出载体并用滤纸将表面吸附的水膜吸干,然后称其质量m2,按照公式λ=(m2-m1)/m1*100%便得到了该载体的饱和吸水率λ。希望对您有所帮助!
心若在、梦就在,脚步不停歇!
2楼2012-09-23 12:03:37
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readytogo

荣誉版主 (文学泰斗)

瓜帅-催化剂

优秀区长优秀版主优秀版主优秀版主

【答案】应助回帖

浸??法中载体???水率的测定:http://muchong.com/bbs/viewthread.php?tid=2726215
???水率的计算公??:http://muchong.com/bbs/viewthread.php?tid=2559344
求???水率的测法:http://muchong.com/bbs/viewthread.php?tid=2532102
载体的???水率:http://muchong.com/bbs/viewthread.php?tid=2524474
浸??法制备催化剂,载体???水率:http://muchong.com/bbs/viewthread.php?tid=2431027
???在??木虫上???索,全是这方???的资料,共1630???结果,够你用的啦。
才须学也,非学无以广才,非志无以成学。【科研生活区】、【碳一化工】(煤、天然气化工)欢迎您常来交流
3楼2012-09-23 16:16:24
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