ISO/TS 22451 - Recycling of rare earth elements

The International Organization for Standardization (ISO) is a non-governmental international standard-setting organisation with a membership of 172 national standards bodies. It establishes best practices for a wide range of activities and sectors. 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.