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Natural rubber latex concentrate. Determination of total phosphate content by spectrophotometric method. Original standard BS ISO 19043-2023 in PDF full version. Additional info + preview on request

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Ophthalmic optics. Contact lens care products. Method for evaluating disinfecting efficacy by contact lens care products using trophozoites of Acanthamoeba species as the challenge organisms. Original standard BS ISO 19045-2-2024 in PDF full version. Additional info + preview on request

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Ophthalmic optics. Contact lens care products. Method for evaluating Acanthamoeba encystment by contact lens care products. Original standard BS ISO 19045-2015 in PDF full version. Additional info + preview on request

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Rubber, raw, vulcanized. Determination of metal content by ICP-OES. Original standard BS ISO 19050-2021 in PDF full version. Additional info + preview on request

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Rubber, raw natural, and rubber latex, natural. Determination of nitrogen content by Micro Dumas combustion method. Original standard BS ISO 19051-2015 in PDF full version. Additional info + preview on request

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Microscopes. Minimum requirements for binocular tubes. Original standard BS ISO 19055-2015 in PDF full version. Additional info + preview on request

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