DIN EN ISO 21663 E:2020-02 Method for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulfur (S) by instrumental methods in solid recovered fuels (draft)
2021DIN EN ISO 21663:2021 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) by the instrumental method (ISO 21663:2020); German version EN ISO 21663:2020
1970DIN EN ISO 21663 E:2020-02 Method for the determination of carbon (C), hydrogen (H), nitrogen (N) and sulfur (S) by instrumental methods in solid recovered fuels (draft)
2011DIN EN 15407:2011 Solid recovered fuels - Methods for the determination of carbon (C), hydrogen (H) and nitrogen (N) content; German version EN 15407:2011