标准摘要
[中文适用范围]： 该方法包括使材料通过旋转样品分配器并收集级分，然后拒绝或重组一些级分。 通过选择合适的设备，它适用于任何超过由颗粒尺寸和数量定义的最小值的质量。 [外文原描述]： The method consists in passaging of the material through a rotating sample divider and collecting of the fractions, followed by rejection or recombination of some of the fractions. By choosing suitable equipment it is applicable to any mass above a minimum defined by size and number of particles.
英文名称Solid fertilizers — Reduction of samples