Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 1: MNc method (ISO 17507-1:2025)
Natural gas - Calculation of methane number of gaseous fuels for reciprocating internal combustion engines - Part 2: PKI method (ISO 17507-2:2025)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 1: Oscillating screen method using sieves with apertures of 3,15 mm and above (ISO 17827-1:2024)
Solid biofuels - Determination of particle size distribution for uncompressed fuels - Part 2: Vibrating screen method using sieves with aperture of 3,15 mm and below (ISO 17827-2:2024)
Solid recovered fuels - Determination of bulk density (ISO 18708:2025)
Petroleum and related products - Determination of sulfur content of automotive fuels - Ultraviolet fluorescence method (ISO 20846:2026)
Petroleum products - Determination of sulfur content of automotive fuels - Energy-dispersive X-ray fluorescence spectrometry (ISO 20847:2004)
Petroleum products - Determination of sulfur content of automotive fuels - Wavelength-dispersive X-ray fluorescence spectrometry (ISO 20884:2019)
Petroleum products - Determination of sulfur content of automotive fuels - Wavelength-dispersive X-ray fluorescence spectrometry - Amendment 1: Addition of the SSD detector to the Monochromatic excitation part of Table 1 (ISO 20884:2019/Amd 1:2021)
Solid recovered fuels - Vocabulary (ISO 21637:2020)
Solid recovered fuels - Specifications and classes (ISO 21640:2021)
Solid recovered fuels - Methods for the determination of biomass content (ISO 21644:2021, Corrected version 2021-03)
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