Surface excess amounts in high-pressure gas adsorption: Issues and benefits
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- 作者：Jean Rouquerol ; jean.rouquerol@univ-amu.fr" class="auth_mail" title="E-mail the corresponding author ; Franç ; oise Rouquerol ; Phillip Llewellyn ; Renaud Denoyel
- 关键词：Gibbs adsorption model ; Gibbs exclusion volume ; Amount adsorbed ; Surface excess amount ; Dead space ; Buoyancy correction
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：5 May 2016
- 年：2016
- 卷：496
- 期：Complete
- 页码：3-12
- 全文大小：2302 K
文摘
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The dead volume issue in high pressure gas adsorption is carefully examined.
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The usual Gibbs representation is modified for adsorption by microporous adsorbents.
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The concept of “Gibbs exclusion volume” is proposed for a safe data reporting.
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Case study: how to improve an inter-laboratory comparison of adsorption data.