本文件规定了一种测定自由流动二氧化铀（UO2）粉末表观密度和抽头密度的方法，该粉末将用于作为核燃料的UO2颗粒的造粒和烧结。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies a method of determining the apparent density and tap density of free-flowing uranium dioxide (UO2) powder which will be used for pelleting and sintering of UO2pellets as a nuclear fuel.All current amendments available at time of purchase are included with the purchase of this document.