ISO/TS 22451:2021 – Recycling of rare earth elements — Methods for the measurement of Rare Earth Elements in Industrial Waste and End-of-life Products
ISO is a non-governmental international standard-setting organization with a membership of 167 national standards bodies. It establishes best practices in a very wide range of activities and is not limited to mineral supply chains.
ISO/TS 22451 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.