本文件提供了固体、固液混合物或液体形式的工业废物和报废产品中稀土元素（REE）的定量测量方法。它概述了工业废物和报废产品中稀土元素的样品制备和测量。 警告——使用本文件可能涉及危险材料、操作和设备。本文件不涉及与其使用相关的任何安全问题。本文件的使用者有责任建立适当的安全和健康实践。

This document provides measurement methods for quantifying rare earth elements (REEs) in industrial wastes and end-of-life products in solid, solid-liquid mixture or liquid forms. It provides an overview of sample preparation and measurement of REEs in industrial waste and end-of-life products. WARNING — The use of this document can involve hazardous materials, operations and equipment. This document does not address any safety problems associated with its use. It is the responsibility of the user of this document to establish appropriate safety and health practices.