Published
This document specifies a method for the determination of gross calorific value of solid recovered fuels at constant volume and at the reference temperature 25 °C in a combustion vessel calorimeter calibrated by combustion of certified benzoic acid.
PUBLISHED
ISO 21654:2021
90.20
Standard under periodical review
Apr 15, 2026
Solid recovered fuels - Determination of calorific value (ISO 21654:2021)
60.60 Standard published
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