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Textiles. Quantitative analysis of animal fibres by microscopy. Cashmere, wool, speciality fibres and their blends Ingestion-build-48974 BS EN 1676:2020 supersedes BS
Textiles. Quantitative analysis of animal fibres by microscopy. Cashmere, wool, speciality fibres and their blends Ingestion-build-48974 BS EN 1676:2020 supersedes BS
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Description
BS EN 1676:2020 supersedes BS EN 1676:2010
Sampling and analysis of challenge gas
The safety integrity levels (SILs) specified in this document are understood to be valid for PESSRAE application in the context of the referenced escalator and moving walk codes
The coefficient of expansion
Textiles. Quantitative analysis of animal fibres by microscopy. Cashmere, wool, speciality fibres and their blends Ingestion-build-48974 BS EN 1676:2020 supersedes BS1 Scope This International Standard specifies a method for the identification and quantitative analysis of wool and speciality animal fibres using both light microscopy (LM) and scanning electron microscopy (SEM). This standard is also applicable to blends of animal fibres and products made from them. NOTE 1 Difficulty may be encountered when attempting the analysis of deeply dyed or heavily pigmented fibres by LM. In such cases, mild dye stripping or
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