Nuclear fuel technology. Guidelines on the measurement of the specific surface area of uranium oxide powders by the BET method
核燃料技术 用BET法测量氧化铀粉末比表面积的指南
发布日期:
2019-06-21
本文件给出了确定成品比表面积的指南
二氧化铀粉末中氮含量的容量法或重量法测定
吸附在粉末上,并可应用于其他类似材料,如U3O8、UO2-PUO2粉末,以及具有类似表面积的其他物体,如粉末颗粒或绿色颗粒,前提是满足所述条件。包括使用其他吸附气体的修改。
只要预期值在1 m2/g和10 m2/g之间,该方法就具有相关性。交叉引用:BS ISO 9277:2010ISO 9277:2010包含以下内容:勘误表,2019年6月
This document gives guidelines on the determination of the specific surface area of as-fabricated
uranium dioxide powder by volumetric or gravimetric determination of the amount of nitrogen
adsorbed on the powder, and can be applied to other similar materials, e.g. U3O8, UO2-PuO2powders, and other bodies with similar surface areas, e.g. powder granules or green pellets, provided that the conditions described are fulfilled. Modifications using other adsorbing gases are included.
The method is relevant as long as the expected value is in the range between 1 m2/g and 10 m2/g.Cross References:BS ISO 9277:2010ISO 9277:2010Incorporates the following:Corrigendum, June 2019