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1 Scope This document specifies a method for determining the phase equilibrium point of natural gas hydrates in a laboratory setting under constant volume conditions, including the principle, reagent…
Overview ISO 23351-2:2026 – Acoustics - Measurement of Speech Level Reduction of Furniture Ensembles and Enclosures - Part 2: Field Method – is an international standard developed by ISO to provide a…
Overview ISO 23335:2026 – Natural gas - Upstream area - Determination of hydrate equilibrium temperature – is an international standard developed by ISO for laboratory determination of the phase equi…
Overview ISO 23300-1:2021 - "Railway infrastructure - Rail welding - Part 1: General requirements and test methods for rail welding" - defines the general framework for approving and accepting welded…
Overview SIST EN ISO 23345:2026 specifies a standardized, non-destructive method for verifying the fineness of precious metals in finished and semi-finished jewellery items using energy-dispersive X-…
Overview EN ISO 23345:2026 specifies a standardized, non-destructive method for verifying the fineness of precious metals in finished and semi-finished jewellery items using energy-dispersive X-ray f…
Overview EN ISO 23387:2025 - Building information modelling (BIM) - Data templates for objects used in the life cycle of assets defines a standardized concept and data structure for data templates th…
Overview EN ISO 23308-1:2025 - Energy efficiency of industrial trucks: Test methods - Part 1: General defines the general test criteria and requirements to measure energy consumption of self‑propelle…
Overview EN ISO 23308-3:2025 (Energy efficiency of industrial trucks - Test methods - Part 3: Container handling lift trucks) is a CEN-endorsed test-method standard that defines how to measure energy…
Overview EN ISO 23308-2:2025 - Energy efficiency of industrial trucks - Test methods - Part 2: Operator‑controlled self‑propelled trucks, burden and personnel carriers and towing tractors (ISO 23308-…
Overview EN ISO 23308-6:2025 - Energy efficiency of industrial trucks - Test methods - Part 6: Container straddle carrier (ISO 23308-6:2025) specifies standardized methods for measuring the energy co…
Overview - SIST ISO 233-3:2024 (Persian transliteration) SIST ISO 233-3:2024, part of the ISO 233 series, defines a standardized system for transliterating Arabic characters used for the Persian (Far…
Overview EN ISO 23368:2022 - Anaesthetic and respiratory equipment: Low‑flow nasal cannulae for oxygen therapy - specifies design, safety and performance requirements for low‑flow nasal cannulae used…
Overview EN ISO 23371:2022 - Anaesthetic and respiratory equipment: Cuff pressure indication, control and regulation devices (ISO 23371:2022) specifies essential performance and safety requirements f…
Overview EN ISO 23320:2022 - Workplace air - Gases and vapours - Requirements for evaluation of measuring procedures using diffusive samplers - defines performance requirements and laboratory test me…
Overview EN ISO 23372:2022 - Anaesthetic and respiratory equipment: Air entrainment devices specifies minimum performance, safety and information requirements for air entrainment (Venturi) devices us…
Overview EN ISO 23319:2022 (ISO 23319:2022 / IDF 250) specifies a gravimetric method for determining fat content in cheeses, processed cheese products, caseins and caseinates. It applies to products…
Overview EN ISO 23322:2021 - Paints and varnishes - Determination of solvents in coating materials containing organic solvents only - Gas‑chromatographic method - specifies a standardized gas‑chromat…
Overview EN ISO 23343-1:2021 (ISO 23343-1:2021) is a CEN-endorsed laboratory method for assessing water sorption and the resulting change in durability of thermally treated biomass pellets. The stand…
Overview SIST EN ISO 23321:2021 specifies the requirements and test methods for demineralized water used as a solvent in industrial applications related to paints and varnishes. This European and Int…
Overview EN ISO 23321:2020 (ISO 23321:2019) specifies properties and test methods for demineralized water used as a solvent in industrial paints and varnishes. It is intended for production processes…
Overview SIST EN ISO 23306:2020 specifies the quality requirements for Liquefied Natural Gas (LNG) used as a fuel in marine applications. Developed by CEN and ISO, this standard defines critical para…
Overview EN ISO 23306:2020 specifies the quality requirements for Liquefied Natural Gas (LNG) used as a fuel in marine applications. Developed by CEN and ISO, this standard defines critical parameter…
Overview EN ISO 23325:2020 - Dentistry: Corrosion resistance of dental amalgam (ISO 23325:2020) specifies how to determine the allowable reduction in mechanical strength of dental amalgam caused by c…
Overview EN ISO 23386:2020 - Building information modelling and other digital processes used in construction - defines a methodology to describe, author and maintain properties in interconnected data…
Overview ISO 2332:2009 - Agricultural tractors and machinery - Connection of implements via three-point linkage - Clearance zone around implement specifies the required clearance zone around implemen…
Overview - ISO 2330:2002 (Fork-lift trucks - Fork arms) ISO 2330:2002 defines manufacturing, testing and marking requirements for solid-section fork arms used on fork-lift trucks. It applies to fork…
Overview EN ISO 23328-2:2009 (ISO 23328-2:2002) specifies the non‑filtration aspects of breathing system filters (BSF) used in anaesthetic and respiratory care. As Part 2 of the ISO 23328 series, thi…
Overview EN ISO 23328-1:2008 (ISO 23328-1:2003) specifies a short-term airborne sodium chloride (salt) test method to assess the filtration performance of breathing system filters (BSF) used in anaes…
Overview ISO 233:1984 - Documentation - Transliteration of Arabic characters into Latin characters - is an international standard establishing a stringent, reversible system for converting Arabic scr…
Overview EN ISO 2338:1997 (ISO 2338:1997) specifies the characteristics, dimensions and basic requirements for parallel pins (cylindrical pins) made of unhardened steel and austenitic stainless steel…
Overview - ISO 2331:1974 (Fork lift trucks - Hook-on type fork arms - Vocabulary) ISO 2331:1974 is a trilingual vocabulary standard that defines the terminology used for hook-on type fork arms for fo…
Overview SIST ISO 2339:1996 defines the specifications for unhardened taper pins with metric dimensions, covering nominal diameters from 0.6 mm up to and including 50 mm. As an internationally recogn…