STB PDF

Fine ceramics (advanced ceramics, advanced technical ceramics). Ultraviolet photoluminescence image test method for analysing polytypes of boron- and nitrogen-doped SiC crystals. Original standard BS ISO 21820-2021 in PDF full version. Additional info + preview on request

Document status: Active

Fine ceramics (advanced ceramics, advanced technical ceramics). Measurement of iso-electric point of ceramic powder. Original standard BS ISO 21822-2019 in PDF full version. Additional info + preview on request

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Iron ores. Determination of total iron content using the EDTA photometric titration method - Microwave digestion method. Original standard BS ISO 21826-1-2022 in PDF full version. Additional info + preview on request

Document status: Active

Determination of the resistance to hydrocarbon pool fires of fire protection materials and systems for pressure vessels. Original standard BS ISO 21843-2023 in PDF full version. Additional info + preview on request

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Cellular plastic. Cellulose foam thermal insulation. Material specification. Original standard BS ISO 21844-2018 in PDF full version. Additional info + preview on request

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Vegetable fats and oils. Determination of composition of triacylglycerols and composition and content of diacylglycerols by capillary gas chromatography. Original standard BS ISO 21846-2018 in PDF full version. Additional info + preview on request

Document status: Withdrawn