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Surface active agents. Detergents. Determination of cationic-active matter content. Cationic-active matter of low molecular mass (between 200 and 500). Original standard BS EN ISO 2871-2-2010 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Glass-lined apparatus for process plants. Quality requirements for apparatus, components, appliances and accessories. Original standard BS EN ISO 28721-1-2019 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Glass-lined apparatus for process plants - Designation and specification of resistance to chemical attack and thermal shock. Original standard BS EN ISO 28721-2-2025 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Glass-lined apparatus for process plants. Thermal shock resistance. Original standard BS EN ISO 28721-3-2011 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Glass-lined apparatus for process plants - Quality requirements for glass-lined flanged steel pipes and flanged steel fittings. Original standard BS EN ISO 28721-4-2015 in PDF full version. Additional info + preview on request

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Vitreous and porcelain enamels. Glass-lined apparatus for process plants. Presentation and characterization of defects. Original standard BS EN ISO 28721-5-2016 in PDF full version. Additional info + preview on request

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