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sunyujiaq

新虫 (初入文坛)

[求助] 求助 超稳Y分子筛做NH3-TPD酸量表征时,表征的条件是什么啊? 已有2人参与

想做NH3-TPD, 但是不知道我的催化剂表征条件 我主要想测超稳Y分子筛(买好的)和酸改性后的超稳Y分子筛的B酸和L酸的酸量和强度 应该调试的表征条件是什么啊?如温度范围等。急求 急求 急求!!!
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zyhou

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【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★
感谢参与,应助指数 +1
sunyujiaq: 金币+5, ★★★很有帮助 2015-05-05 09:30:49
liwentao2010: 金币+3, 谢谢回帖,辛苦 2015-05-05 12:23:18
我做过,欢迎参考!
Applied Catalysis A: General, Volume 352, Issues 1–2, 15 January 2009, Pages 259-264
Fuel, Volume 86, Issues 17–18, December 2007, Pages 2707-2713
Applied Catalysis A: General, Volume 304, 10 May 2006, Pages 49-54

One hundred milligrams of sample was placed in a quartz tubular reactor and pretreated at 500 C with an argon flow of 30 mL/min for 1 h and then cooled to 50 C. Ammonia (20% NH3/Ar) was introduced at a flow rate of 30 mL/min for 0.5 h at 50 8C, and then blown by an argon steam until a constant TCD level was attained; the reactor temperature was programmed to increase at a ramp rate of 10 C/min, and the amount of ammonia in
effluent was measured via TCD and recorded as function of temperature.
2楼2015-05-04 19:36:22
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