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Needle-free injection systems for medical use. Requirements and test methods. Original standard UNE-EN ISO 21649-2023 in PDF full version. Additional info + preview on request

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Water quality Determination of the dissolved fraction of selected active pharmaceutical ingredients, transformation products and other organic substances in water and treated waste water Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS or -HRMS) after direct injection (ISO 21676:2018). Original standard UNE-EN ISO 21676-2022 in PDF full version. Additional info + preview on request

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Cereals, pulses and by-products. Determination of ash yield by incineration. Original standard UNE-EN ISO 2171-2023 in PDF full version. Additional info + preview on request

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Assistive products Guidelines on cognitive accessibility Daily time management (ISO 21802:2019). Original standard UNE-EN ISO 21802-2022 in PDF full version. Additional info + preview on request

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Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems (ISO 21805:2023). Original standard UNE-EN ISO 21805-2023 in PDF full version. Additional info + preview on request

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Fine ceramics (advanced ceramics, advanced technical ceramics). Methods for chemical analysis of high purity barium titanate powders. Original standard UNE-EN ISO 21813-2022 in PDF full version. Additional info + preview on request

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