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Phase Diagram of Ethane above 300 K
The Journal of Physical Chemistry C ( IF 3.3 ) Pub Date : 2022-06-22 , DOI: 10.1021/acs.jpcc.2c00875
John E. Proctor 1 , James E. Spender 1 , Harvey T. Gould 1
Affiliation  

We have measured the melting curve of ethane from 300 to 450 K. Our results indicate that to describe all melting curve data above the triple point, it is necessary to account for a kink in the melting curve where the phase III–phase IV solid–solid transition intersects the melting curve. In the solid state, we observe some evidence for a new phase existing close to the melting curve above 300 K. We have observed that the decomposition of ethane at high pressure and temperature can be catalyzed by ruby or samarium-doped yttrium aluminum garnet at a surprisingly low temperature of 375 K.

中文翻译:

300 K 以上的乙烷相图

我们测量了 300 到 450 K 的乙烷熔解曲线。我们的结果表明,要描述三相点以上的所有熔解曲线数据,有必要考虑熔解曲线中的扭结,其中 III 相-IV 相固体-固体转变与熔解曲线相交。在固态下,我们观察到一些证据表明存在接近 300 K 以上熔化曲线的新相。我们观察到,在高压和高温下乙烷的分解可以由红宝石或钐掺杂的钇铝石榴石催化。 375 K 的低温令人惊讶。
更新日期:2022-06-22
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