STM PDF

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest. Original standard ISO 20227-2017 in PDF full version. Additional info + preview on request

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Interpreting services - Legal interpreting - Requirements. Original standard ISO 20228-2019 in PDF full version. Additional info + preview on request

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Ships and marine technology - Model test method for propeller cavitation noise evaluation in ship design - Part 2- Noise source localization. Original standard ISO 20233-2-2019 in PDF full version. Additional info + preview on request

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Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion. Original standard ISO 20236-2024 in PDF full version. Additional info + preview on request

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Conveyor belts - Drum friction testing. Original standard ISO 20238-2018 in PDF full version. Additional info + preview on request

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Industrial automation systems and integration - Service interface for testing applications - Part 1- Overview. Original standard ISO 20242-1-2005 in PDF full version. Additional info + preview on request

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