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ISO 5370:2023PublishedSolid biofuels — Determination of fines content in pelletsISO 14780:2017PublishedSolid biofuels — Sample preparationISO 16559:2022PublishedSolid biofuels — VocabularyISO 16993:2016PublishedSolid biofuels — Conversion of analytical results from one basis to anotherISO 16994:2026PublishedSolid biofuels and pyrogenic biocarbon — Determination of sulfur and chlorine contentISO 16995:2015PublishedSolid biofuels — Determination of the water soluble chloride, sodium and potassium contentISO/TS 16996:2015PublishedSolid biofuels — Determination of elemental composition by X-ray fluorescenceISO 17225-5:2026PublishedSolid biofuels — Fuel specifications and classes — Part 5: Graded firewoodISO 17225-8:2023PublishedSolid biofuels — Fuel specifications and classes — Part 8: Graded thermally treated and densified biomass fuels for commercial and industrial useISO 17225-1:2021PublishedSolid biofuels — Fuel specifications and classes — Part 1: General requirementsISO 17225-2:2021PublishedSolid biofuels — Fuel specifications and classes — Part 2: Graded wood pelletsISO 17225-3:2021PublishedSolid biofuels — Fuel specifications and classes — Part 3: Graded wood briquettesISO 17225-4:2021PublishedSolid biofuels — Fuel specifications and classes — Part 4: Graded wood chipsISO 17225-6:2021PublishedSolid biofuels — Fuel specifications and classes — Part 6: Graded non-woody pelletsISO 17225-7:2021PublishedSolid biofuels — Fuel specifications and classes — Part 7: Graded non-woody briquettesISO 17225-9:2021PublishedSolid biofuels — Fuel specifications and classes — Part 9: Graded hog fuel and wood chips for industrial useISO 17827-1:2024PublishedSolid biofuels — Determination of particle size distribution for uncompressed fuels — Part 1: Oscillating screen method using sieves with apertures of 3,15 mm and aboveISO 17827-2:2024PublishedSolid biofuels — Determination of particle size distribution for uncompressed fuels — Part 2: Vibrating screen method using sieves with apertures of 3,15 mm and belowISO 17828:2025PublishedSolid biofuels — Determination of bulk densityISO 17829:2025PublishedSolid biofuels — Determination of length and diameter of pelletsISO 17830:2024PublishedSolid biofuels — Particle size distribution of disintegrated pelletsISO 17831-2:2025PublishedSolid biofuels — Determination of mechanical durability of pellets and briquettes — Part 2: BriquettesISO 18122:2022PublishedSolid biofuels — Determination of ash contentISO 18123:2023PublishedSolid biofuels — Determination of volatile matterISO 18125:2017PublishedSolid biofuels — Determination of calorific value