STM PDF

Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Methods used to determine peak intensities and information required when reporting results. Original standard ISO 20903-2019 in PDF full version. Additional info + preview on request

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Hard coal - Sampling of slurries. Original standard ISO 20904-2020 in PDF full version. Additional info + preview on request

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Coal preparation - Determination of dust/moisture relationship for coal. Original standard ISO 20905-2024 in PDF full version. Additional info + preview on request

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Acoustics - Unattended monitoring of aircraft sound in the vicinity of airports. Original standard ISO 20906-2009 in PDF full version. Additional info + preview on request

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Acoustics - Unattended monitoring of aircraft sound in the vicinity of airports - Amendment 1. Original standard ISO 20906-2009 amd1-2013 in PDF full version. Additional info + preview on request

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Tyre sound emission test - Methods of drum. Original standard ISO 20908-2023 in PDF full version. Additional info + preview on request

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