STM PDF

Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 3- Methods for generating fine bubbles. Original standard ISO 20480-3-2021 in PDF full version. Additional info + preview on request

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Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 4- Terminology related to microbubble beds. Original standard ISO 20480-4-2021 in PDF full version. Additional info + preview on request

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Fine bubble technology - General principles for usage and measurement of fine bubbles - Part 5- Shelled bubble vocabulary. Original standard ISO 20480-5-2023 in PDF full version. Additional info + preview on request

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Coffee and coffee products - Determination of the caffeine content using high performance liquid chromatography (HPLC) - Reference method. Original standard ISO 20481-2008 in PDF full version. Additional info + preview on request

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Metallic materials - Sheet and strip - Erichsen cupping test. Original standard ISO 20482-2013 in PDF full version. Additional info + preview on request

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Non-destructive testing - Leak testing - Vocabulary. Original standard ISO 20484-2017 in PDF full version. Additional info + preview on request

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