Belarus standards PDF

Textiles Quantitative chemical analysis Part 6: Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres (method using formic acid and zinc chloride) (ISO 1833-6:2018). Original standard UNE-EN ISO 1833-6-2020 in PDF full version. Additional info + preview on request

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Textiles Quantitative chemical analysis Part 7: Mixtures of polyamide with certain other fibres (method using formic acid) (ISO 1833-7:2017). Original standard UNE-EN ISO 1833-7-2018 in PDF full version. Additional info + preview on request

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Textiles - Quantitative chemical analysis - Part 8- Mixtures of acetate and triacetate fibres (method using acetone). Original standard UNE-EN ISO 1833-8-2011 in PDF full version. Additional info + preview on request

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Hydrometry - Selection, establishment and operation of a gauging station (ISO 18365:2013). Original standard UNE-EN ISO 18365-2014 in PDF full version. Additional info + preview on request

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Ophthalmic optics Contact lenses Part 1: Vocabulary, classification system and recommendations for labelling specifications (ISO 18369-1:2017, Corrected version 2017-10-01). Original standard UNE-EN ISO 18369-1-2018 in PDF full version. Additional info + preview on request

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Ophthalmic optics Contact lenses Part 3: Measurement methods (ISO 18369-3:2017, Corrected version 2017-10-01). Original standard UNE-EN ISO 18369-3-2018 in PDF full version. Additional info + preview on request

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