Published
This document specifies three methods for the determination of the biomass content in solid recovered fuels: the 14C content method, the selective dissolution and the manual sorting methods.
PUBLISHED
ISO 21644:2021
90.60
Close of review
Jun 5, 2026
Solid recovered fuels - Methods for the determination of biomass content (ISO 21644:2021, Corrected version 2021-03)
60.60 Standard published