如果取到的样本具有代表性并使用了相应的分散技术,那么粒径分析结果最为适用。粒径测量中的大部分变差都可以归咎于取样或样本准备不正确。
测量固体粉末的 PSD 时,结果值可能很小,除非分析的样本对从中取样的群体来说具有代表性。如果假设只用以克甚至毫克为单位的样本数量就可以反映许多公斤材料的特性,就会出现这样的问题。
我们开发的真空取样系统可以提供灵活的方式从粉末存储和处理系统中进行粉末取样。该系统包含一个取样点,位于粉末储存斗或其他粉末处理容器中。取样站可以位于较远的位置,以免妨碍设备运行。取样站甚至可以根据需要位于不同的楼层。

GEA’s past fiscal year was one of significant growth and further profitability gains. In particular, the technology group substantially increased order intake, with all divisions contributing here. GEA also made progress in all Mission 30 strategic growth areas. In addition, GEA met key interim targets under its climate plan ahead of schedule. Major milestones in fiscal year 2025 were admission to the DAX index, the award of one of the largest contracts in the company’s history, and streamlining of the corporate structure.