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Plastics. Ion exchange resin - Determination of exchange capacity of acrylic anion exchange resins. Original standard BS ISO 4907-1-2023 in PDF full version. Additional info + preview on request

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Plastics. Ion exchange resin - Determination of water content of anion exchange resins in hydroxide form by centrifugation. Original standard BS ISO 4907-2-2023 in PDF full version. Additional info + preview on request

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Plastics. Ion exchange resin - Determination of exchange capacity of anion exchange resins in hydroxide form. Original standard BS ISO 4907-3-2023 in PDF full version. Additional info + preview on request

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Plastics. Ion exchange resin - Determination of particle size by laser diffraction method. Original standard BS ISO 4907-4-2025 in PDF full version. Additional info + preview on request

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Cinematography. 35 mm motion-picture film and magnetic film. Cutting and perforating dimensions. Original standard BS ISO 491-2002 in PDF full version. Additional info + preview on request

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Textiles. Cotton fibres. Evaluation of maturity. Microscopic method. Original standard BS ISO 4912-1981 (2002) in PDF full version. Additional info + preview on request

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