Plastics — Polyethylene (PE) — Determination of co-monomer content by solution state 13C-NMR spectro...
This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state 13C-NMR spectrometry (nuclear magnetic resonance spectrometry):
— method A: inverse gated decoupling method.
— method B: insensitive nuclei enhanced by polarization transfer method;
This document is applicable to copolymers of ethylene having a content of other 1-…
This document establishes the specifications for the dimensions of various endodontic obturating materials including preformed metal, preformed polymeric-coated metal, polymeric points, thermoplastic obturating material or combinations of the above, suitable for use in the obturation of the root canal system. This document also specifies numerical systems and a colour-coding system for…
Dispositifs UV-C — Information sur la sécurité — Limites admissibles pour l'exposition humaine
L'ISO 15858 :2016 spécifie les prescriptions minimales de sécurité des personnes s'appliquant à l'utilisation des lampes UVC.
Elle est applicable aux systèmes UVC en conduit, aux systèmes UVC d'air supérieur, aux dispositifs UVC de désinfection portables et à tout autre dispositif UVC pouvant entraîner une exposition des personnes aux UVC.
Elle n'est pas applicable aux…
Corrosion of metals and alloys — Test and evaluation method for the corrosion of steel bar embedded ...
This method covers the equipment, materials, specimen preparation, procedures, results and reports for testing and evaluating the corrosion of steel bar embedded in concrete structure exposed to total corrosion zones in marine environments.
Plastics — Differential scanning calorimetry (DSC) — Part 3: Determination of temperature and enthal...
This document specifies a method for the determination of the temperatures and enthalpies of melting and crystallization of crystalline or partially crystalline plastics using conventional DSC as specified in ISO 11357-1.
This document is not applicable to fast DSC as specified in ISO 23976.
Condensed aerosol fire extinguishing systems — Requirements and test methods for components and syst...
ISO 15779:2011 specifies requirements and test methods for components and gives recommendations for the design, installation, testing, maintenance and safety of condensed aerosol firefighting systems in buildings, plants or other structures, and the characteristics of the extinguishants and types of fire for which they are a suitable extinguishing medium. It covers total flooding systems…
Ball valves for thermoplastics piping systems for hot and cold water installations under pressure — ...
This document is applicable to two-way or multi-way ball valves manufactured with all types of polypropylene (PP) and chlorinated polyvinylchloride (PVC-C) thermoplastic materials to be used for the transport of pressurized water whether or not intended for human consumption (domestic systems) for applications in buildings and utility branches.
NOTE 1 The two-way valve is generally used for…
Measurement of radioactivity — Determination of beta emitters activities — Test method using liquid ...
ISO 19361:2017 applies to liquid scintillation counters and requires the preparation of a scintillation source obtained by mixing the test sample and a scintillation cocktail. The test sample can be liquid (aqueous or organic), or solid (particles or filter or planchet).
ISO 19361:2017describes the conditions for measuring the activity of beta emitter radionuclides by liquid scintillation…
