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确定ZIF-8作为冷吸附的参考材料:一个实验室间的研究.

Jose A Villajos^1,2, Rafael Balderas-Xicohténcatl^3,4, Ali N Al Shakhs⁵

¹Bundesanstalt für Materialforschung und -prüfung (BAM), Berlin, Germany.

Chemphyschem : a European journal of chemical physics and physical chemistry

|January 2, 2024

概括

这项研究建议ZIF-8颗粒作为储存的参考材料. 九个实验室的测量显示了高度可重现的冷吸收数据,突出的是ZIF-8

关键词:

储存的储存的储存.实验室间分析分析金属有机框架的框架.参考材料参考材料的使用情况.可复制性和标准化的标准化.

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Electrophoretic Crystallization of Ultrathin High-performance Metal-organic Framework Membranes

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科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
储能储能储能储能储能储能

背景情况:

通过冷吸收储存提供了诸如安全性和快速动力学等优势.
缺乏标准化的参考材料导致吸附剂的吸收数据存在差异.
像ZIF-8这样的金属有机框架 (MOF) 由于其稳定性而显示出希望.

研究的目的:

评估ZIF-8颗粒作为冷吸附的参考材料的适用性.
评估不同实验室和实验设置中吸收测量的可重复性.
为了确定冷吸附测量偏差的来源.

主要方法:

合成了ZIF-8颗粒,并分发给九个实验室.
用重力度和体积分析仪测量 (H2) 吸收在77K和高达100bar的温度下.
研究了操作变量的影响,例如样本数量和温度.

主要成果:

在77K和10-100bar的重力计吸收测量显示出高可重复性,相对标准偏差为3-4%.
设备校准和校正程序被确定为重要的测量偏差来源.
在各种实验条件下,ZIF-8颗粒显示出强度和稳定性.

结论:

ZIF-8颗粒对的冷吸附测量具有很好的可重复性.
开发的ZIF-8颗粒被提出为该领域的可靠参考材料.
测量协议的标准化对于准确的储存数据至关重要.