ISO 5069-2:1983 褐煤.取样原则.第2部分：供水分测定和一般分析用的样品制备

标准编号：ISO 5069-2:1983

中文名称：褐煤.取样原则.第2部分：供水分测定和一般分析用的样品制备

英文名称：Brown coals and lignites — Principles of sampling — Part 2: Sample preparation for determination of moisture content and for general analysis

发布日期：1983-12

标准范围

样品制备过程包括几项操作，其中三项是基本操作:通过粉碎或研磨和研磨来减小粒度；混合；通过分割样品（样品分割）减少样品质量。在大多数情况下，样品的干燥过程也是必要的。

The process of sample preparation consists of several operations three of which are fundamental: particle size reduction by crushing or grinding and milling; mixing; decrease of sample mass by dividing the sample (sample division). In most cases, the drying process of the sample is also necessary.

标准预览图