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ISO 5976:2025Published

Rare earth — Determination of loss on ignition in rare earth products — Gravimetric method

Terres rares — Détermination de la perte au feu dans les produits à base de terres rares — Méthode gravimétrique

Abstract / scope

This document specifies a gravimetric method for the determination of the loss on ignition (LOI) in solid rare earth oxides, carbonates and oxalates.

This document is applicable to the determination of the LOI in the range from 0,10 % to 15,00 % in rare earth oxides, from 25,00 % to 80,00 % in rare earth carbonates, and from 35,00 % to 75,00 % in rare earth oxalates.