DIN EN ISO 22940:2021-12 Solid recovered fuels - Determination of elemental composition by X-ray fluorescence (ISO 22940:2021); German version EN ISO 22940:2021
2021DIN EN ISO 22940:2021 Solid recovered fuels - Determination of elemental composition by X-ray fluorescence (ISO 22940:2021); German version EN ISO 22940:2021
2020DIN EN ISO 22940:2020 Solid recovered fuels - Determination of elemental composition by X-ray fluorescence (ISO/DIS 22940:2020); German and English version prEN ISO 22940:2020