本欧洲标准规定了正确的操作顺序，以确保测试的代表性 在物理和/或化学分析之前已经根据采样计划采取的部分（例如， 提取，消化和/或分析测定）。 本欧洲标准规定了正确的操作和处理顺序 实验室样品，以获得符合具体要求的合适的测试部分 在相应的分析程序中

This European Standard specifies the correct sequence of operations to ensure the representativity of the test portions that have been taken according to the sampling plan, prior to physical and/or chemical analysis (e.g. extractions, digestion and/or analytical determinations) of solid samples. This European Standard specifies the correct sequence of operations and treatments to be applied to the laboratory sample in order to obtain suitable test portions in compliance with the specific requirements defined in the corresponding analytical procedures.