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Cryogenic vessels. Large transportable vacuum-insulated vessels. Operational requirements. Original standard UNE-EN ISO 20421-2-2017 in PDF full version. Additional info + preview on request

Document status: Active

Cereals and pulses. Determination of the nitrogen content and calculation of the crude protein content. Kjeldahl method. Original standard UNE-EN ISO 20483-2014 in PDF full version. Additional info + preview on request

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Non-destructive testing. Leak testing. Tracer gas method. Original standard UNE-EN ISO 20485-2018 in PDF full version. Additional info + preview on request

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Fine ceramics (advanced ceramics, advanced technical ceramics). Determination of adhesion of ceramic coatings by scratch testing. Original standard UNE-EN ISO 20502-2016 in PDF full version. Additional info + preview on request

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Fine ceramics (advanced ceramics, advanced technical ceramics). Mechanical properties of ceramic composites at room temperature. Determination of compressive properties. Original standard UNE-EN ISO 20504-2019 in PDF full version. Additional info + preview on request

Document status: Replaced by

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Apparatus, reagents, dissolution and determination of gravimetric silica. Original standard UNE-EN ISO 20565-1-2008 in PDF full version. Additional info + preview on request

Document status: Active