ISO 21654:2021 PDF

Scope: 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.

ISO 21654:2021 Referenced Document

EN 15358 Solid recovered fuels - Quality management systems - Particular requirements for their application to the production of solid recovered fuels
ISO 10304-1 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate; Technical Corrigendum 1
ISO 16993 Solid biofuels - Conversion of analytical results from one basis to another
ISO 21637 Solid recovered fuels - Vocabulary
ISO 21644 Solid recovered fuels - Methods for the determination of biomass content
ISO 21646 Solid recovered fuels — Sample preparation*， 2022-05-12 Update
ISO 21660-3 Solid recovered fuels - Determination of moisture content using the oven dry method - Part 3: Moisture in general analysis sample