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1 Scope This document specifies a test method for estimating the magnitude of radiosonde temperature sensor warming, induced by direct solar radiation, based on variations in air pressure, temperatur…
1 Scope This document provides information and guidelines on the decommissioning of a medical cyclotron facility, with a focus on activated or contaminated parts. Useful information and guidelines ar…
Overview ISO 8980-3:2022/Amd 1:2026 is an Amendment to the recognized international standard governing uncut finished spectacle lenses, specifically focusing on transmittance specifications and test…
Overview ISO 8961:2026, Traditional Chinese medicine - Areca catechu seed, specifies the minimum quality requirements and test methods for Areca catechu seed, one of the key raw herbal materials in i…
Overview - ISO 898-2:2022 (Fasteners - Nuts with specified property classes) ISO 898-2:2022 defines the mechanical and physical properties of hexagon and related nuts made of carbon steel and alloy s…
Overview ISO 898-3:2018/Amd 1:2020 is an important amendment to ISO 898-3, which specifies the mechanical properties of fasteners made from carbon steel and alloy steel, focusing specifically on flat…
Overview ISO 8973:1997/Amd 1:2020 is an important amendment to the international standard governing liquefied petroleum gases (LPG). It focuses on refining the calculation methods for density and vap…
Overview ISO 8925:1989/Amd 1:1997 is an important amendment to the International Standard ISO 8925:1989, published by the International Organization for Standardization (ISO). This amendment focuses…
Overview SIST EN ISO 8980-4:2026 specifies requirements and test methods for the properties of anti-reflective coatings and hydrophobic coatings applied to uncut finished spectacle lenses. Developed…
Overview EN ISO 899-2:2024 (ISO 899-2:2024) specifies a standardized laboratory method to determine the flexural creep behaviour of plastics using a simple three-point loading (mid-span loaded, freel…
Overview EN ISO 898-2:2022 (Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2) specifies the mechanical and physical properties of nuts manufactured from ca…
Overview EN ISO 8980-3:2022 - "Ophthalmic optics - Uncut finished spectacle lenses - Part 3: Transmittance specifications and test methods" (ISO 8980-3:2022) sets out requirements and test methods fo…
Overview EN ISO 8996:2021 - Ergonomics of the thermal environment: Determination of metabolic rate specifies standardized methods to estimate human metabolic rate in the context of thermal comfort, h…
Overview EN ISO 8985:2022 (ISO 8985:2022, corrected version 2022-08) defines standardized methods for the determination of vinyl acetate (VAC) content in ethylene/vinyl acetate (EVAC) thermoplastics.…
Overview EN ISO 898-3:2018/A1:2021 is a CEN-endorsed amendment to ISO 898-3 that updates the international requirements for flat washers made from carbon steel and alloy steel with specified property…
Overview EN ISO 8970:2020 / ISO 8970:2020 - "Timber structures - Testing of joints made with mechanical fasteners - Requirements for timber density" specifies how to select and report pieces of struc…
Overview EN ISO 8973:1999/A1:2020 is Amendment 1 to ISO 8973:1997, adopted by CEN in April 2020. It updates the international calculation method for density and vapour (vapor) pressure of liquefied p…
Overview SIST EN ISO 8994:2019 is a key international standard specifying a grid rating system for evaluating pitting corrosion on anodic oxidation coatings of aluminium and its alloys. This standard…
Overview EN ISO 8994:2018 is a key international standard specifying a grid rating system for evaluating pitting corrosion on anodic oxidation coatings of aluminium and its alloys. This standard appl…
Overview EN ISO 8993:2018 - Anodizing of aluminium and its alloys - Rating system for the evaluation of pitting corrosion - Chart method - specifies a standardized chart-based rating system to define…
Overview EN ISO 898-3:2018 (ISO 898-3:2018) defines the mechanical and physical property requirements for flat washers made of carbon steel and alloy steel intended for use in bolted joints. It stand…
Overview EN ISO 8980-2:2017 - Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for power-variation lenses - defines optical and geometrical requirements and verification m…
Overview EN ISO 899-1:2017 - Plastics: Determination of creep behaviour - Part 1: Tensile creep specifies a standardized method to measure the tensile creep of plastics using dumb-bell-shaped test sp…
Overview - EN ISO 8980-1:2017 (Ophthalmic optics) EN ISO 8980-1:2017 specifies requirements and verification methods for the optical and geometrical properties of uncut finished spectacle lenses, cov…
Overview EN ISO 8936:2017 - Awnings for leisure accommodation vehicles: Requirements and test methods (ISO 8936:2017) specifies performance requirements, test methods and material characteristics for…
Overview EN ISO 8968-4:2016 (ISO 8968-4:2016 / IDF 20-4:2016) is the reference method for determining protein-related nitrogen in liquid milk. The standard specifies direct and indirect procedures to…
Overview EN ISO 8968-1:2014 (ISO 8968-1:2014 / IDF 20-1:2014) specifies a standardized laboratory method for determining nitrogen content and calculating crude protein in milk and milk products using…
Overview SIST EN ISO 898-1:2013 (ISO 898-1:2013) - Mechanical properties of fasteners made of carbon steel and alloy steel, Part 1 - defines the mechanical and physical properties of bolts, screws an…
Overview EN ISO 898-1:2013 (ISO 898-1:2013) - Mechanical properties of fasteners made of carbon steel and alloy steel, Part 1 - defines the mechanical and physical properties of bolts, screws and stu…
Overview EN ISO 898-5:2012 (ISO 898-5:2012) specifies the mechanical and physical properties of set screws and similar threaded fasteners made of carbon steel or alloy steel. It covers fasteners with…
Overview EN ISO 8968-3:2007 (identical to ISO 8968-3:2004) specifies a semi-micro block-digestion method for the determination of nitrogen content in liquid whole or skimmed milk. This rapid routine…
Overview EN ISO 8988:2006 (ISO 8988:2006) specifies analytical methods for the determination of hexamethylenetetramine (commonly “hexa”) content in phenolic resins. Published by CEN/ISO, the standard…
Overview SIST EN ISO 8987:2006 is an international standard established by CEN and ISO for evaluating the reactivity of phenolic resins, a type of thermosetting plastic widely used in various industr…
Overview EN ISO 8980-5:2005 (ISO 8980-5:2005) is a CEN/ISO standard in the ophthalmic optics family that defines minimum requirements and a test method for spectacle lens surfaces claimed to be abras…
Overview EN ISO 8987:2005 is an international standard established by CEN and ISO for evaluating the reactivity of phenolic resins, a type of thermosetting plastic widely used in various industrial a…
Overview SIST ISO 897:2003 is an international standard developed by the International Organization for Standardization (ISO) that specifies methods for identifying the image-bearing side of various…