标准摘要
[中文适用范围]： 本部分ISO 14820规定了肥料和石灰材料样品的减少和制备方法，并规定了样品准备报告的要求。它还规定了从肥料实验室样品中制备用于后续化学或物理分析的测试样品的方法。本部分不包括某些物理试验所需的大于2公斤试样的制备。本标准适用于所有肥料。 [外文原描述]： ISO 14820-2:2016 specifies methods for the reduction and preparation of samples of fertilizers and liming materials and sets out the requirements for sample preparation reports. It also specifies methods for the preparation of test samples and test portions from laboratory samples of fertilizer for subsequent chemical or physical analysis. It does not cover the preparation of samples for certain physical tests which require test portions of more than 2 kg. It is applicable to all fertilizers. NOTE The term "fertilizer" is used throughout the body of this part of ISO 14820 and is taken to include liming materials unless otherwise indicated.
英文名称Fertilizers and liming materials — Sampling and sample preparation — Part 2: Sample preparation