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Animal feeding stuffs. Determination of acid detergent fibre (ADF) and acid detergent lignin (ADL) contents.

Plastics pipes and fittings. Automatic recognition systems for electrofusion joints.

Welding. General tolerances for welded constructions. Dimensions for lengths and angles. Shape and position

1 Scope This European Standard specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, these being based on customary…

Paraformaldehyde for industrial use — Methods of test — Part 2: Determination of ash

Paraformaldehyde for industrial use — Methods of test — Part 1: General

Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 2: Determination of maximum…

Overview EN ISO 13935-2:2026 specifies a standardized method for determining the maximum force required to rupture a sewn seam in textiles using the grab test. Developed by CEN and adopted as an inte…

Workplace air - Assessment of dermal exposure - Part 1: Framework for dermal exposure assessment (ISO 13977‑1…

Overview EN ISO 13977-1:2026: Workplace Air - Assessment of Dermal Exposure - Part 1: Framework for Dermal Exposure Assessment provides a comprehensive framework for assessing dermal exposure to chem…

Refrigeration systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-…

Overview SIST EN ISO 13971:2025 specifies requirements, classification, and installation best practices for flexible pipe elements, vibration isolators, expansion joints, and non-metallic tubes used…

Welding - Measurement of preheating temperature, interpass temperature and preheat maintenance temperature (I…

Overview EN ISO 13916:2025 - “Welding - Measurement of preheating temperature, interpass temperature and preheat maintenance temperature” (ISO 13916:2025) is a CEN-adopted international standard that…

Refrigeration systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-…

Overview EN ISO 13971:2025 specifies requirements, classification, and installation best practices for flexible pipe elements, vibration isolators, expansion joints, and non-metallic tubes used in re…

Welding - Measurement of preheating temperature, interpass temperature and preheat maintenance temperature (I…

Overview EN ISO 13916:2025 - “Welding - Measurement of preheating temperature, interpass temperature and preheat maintenance temperature” (ISO 13916:2025) is a CEN-adopted international standard that…

Air quality - Determination of ozone in ambient air - Ultraviolet photometric method - Amendment 1: Consensus…

Overview ISO 13964:1998/Amd 1:2024 is an amendment to ISO 13964 (Ultraviolet photometric method) that provides a consensus value for the ozone absorption cross‑section at room temperature for the mer…

Protective clothing - Mechanical properties - Determination of resistance to cutting by sharp objects (ISO 13…

Overview EN ISO 13997:2024 - Protective clothing: Determination of resistance to cutting by sharp objects specifies a tomodynamometer cut test and associated calculations for materials and assemblies…

Metallic powders - Test method for the determination of non-metallic inclusions in metal powders using a powd…

Overview EN ISO 13947:2024 - "Metallic powders - Test method for the determination of non-metallic inclusions in metal powders using a powder-forged specimen" - is a CEN-endorsed ISO metallographic t…

Metallic powders - Test method for the determination of non-metallic inclusions in metal powders using a powd…

Overview EN ISO 13947:2024 - "Metallic powders - Test method for the determination of non-metallic inclusions in metal powders using a powder-forged specimen" - is a CEN-endorsed ISO metallographic t…

Protective clothing - Mechanical properties - Determination of resistance to cutting by sharp objects (ISO 13…

Overview EN ISO 13997:2024 - Protective clothing: Determination of resistance to cutting by sharp objects specifies a tomodynamometer cut test and associated calculations for materials and assemblies…

Fire safety - Vocabulary (ISO 13943:2023)

Overview SIST EN ISO 13943:2024 is the Slovenian adoption of EN ISO 13943:2023 / ISO 13943:2023, the international vocabulary for fire safety. This fourth edition updates and expands the standardized…

Plastics - Simple heat release test using a conical radiant heater and a thermopile detector (ISO 13927:2023)

Overview - EN ISO 13927:2023 (Plastics, Simple heat release test) EN ISO 13927:2023 specifies a simple heat release test for plastics using a conical radiant heater and a thermopile detector. Intende…

Fire safety - Vocabulary (ISO 13943:2023)

Overview EN ISO 13943:2023 is the Slovenian adoption of EN ISO 13943:2023 / ISO 13943:2023, the international vocabulary for fire safety. This fourth edition updates and expands the standardized fire…

Plastics - Simple heat release test using a conical radiant heater and a thermopile detector (ISO 13927:2023)

Overview - EN ISO 13927:2023 (Plastics, Simple heat release test) EN ISO 13927:2023 specifies a simple heat release test for plastics using a conical radiant heater and a thermopile detector. Intende…

Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and positio…

Overview EN ISO 13920:2023 - Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and position (ISO 13920:2023) defines standard, workshop-based tolerance…

Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and positio…

Overview EN ISO 13920:2023 - Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and position (ISO 13920:2023) defines standard, workshop-based tolerance…

Health informatics - Clinical information models - Characteristics, structures and requirements (ISO 13972:20…

Overview EN ISO 13972:2022 - Health informatics: Clinical information models (CIMs) - defines characteristics, structures and requirements for Clinical Information Models (CIMs). It specifies how CIM…

Health informatics - Clinical information models - Characteristics, structures and requirements (ISO 13972:20…

Overview EN ISO 13972:2022 - Health informatics: Clinical information models (CIMs) - defines characteristics, structures and requirements for Clinical Information Models (CIMs). It specifies how CIM…

Welding - Studs and ceramic ferrules for arc stud welding - Amendment 1 (ISO 13918:2017/Amd 1:2021)

Overview EN ISO 13918:2018/A1:2021 is the CEN-endorsed amendment to ISO 13918 (title: Welding - Studs and ceramic ferrules for arc stud welding). Published September 2021 and adopted by CEN members,…

Welding - Studs and ceramic ferrules for arc stud welding - Amendment 1 (ISO 13918:2017/Amd 1:2021)

Overview EN ISO 13918:2018/A1:2021 is the CEN-endorsed amendment to ISO 13918 (title: Welding - Studs and ceramic ferrules for arc stud welding). Published September 2021 and adopted by CEN members,…

Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections…

Overview EN ISO 13919-2:2021 - "Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 2: Aluminium, magnesium and their alloys and pure c…

Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections…

Overview EN ISO 13919-2:2021 - "Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 2: Aluminium, magnesium and their alloys and pure c…

Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections…

Overview - EN ISO 13919-1:2019 EN ISO 13919-1:2019, "Electron and laser‑beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 1: Steel, nickel, titanium and…

Textiles - Bursting properties of fabrics - Part 2: Pneumatic method for determination of bursting strength a…

Overview EN ISO 13938-2:2019 - "Textiles - Bursting properties of fabrics - Part 2: Pneumatic method for determination of bursting strength and bursting distension" specifies a pneumatic test method…

Textiles - Bursting properties of fabrics - Part 1: Hydraulic method for determination of bursting strength a…

Overview EN ISO 13938-1:2019 - Textiles - Bursting properties of fabrics - Part 1: Hydraulic method - defines a laboratory method for measuring bursting strength and bursting distension of textile fa…

Textiles - Bursting properties of fabrics - Part 2: Pneumatic method for determination of bursting strength a…

Overview EN ISO 13938-2:2019 - "Textiles - Bursting properties of fabrics - Part 2: Pneumatic method for determination of bursting strength and bursting distension" specifies a pneumatic test method…

Textiles - Bursting properties of fabrics - Part 1: Hydraulic method for determination of bursting strength a…

Overview EN ISO 13938-1:2019 - Textiles - Bursting properties of fabrics - Part 1: Hydraulic method - defines a laboratory method for measuring bursting strength and bursting distension of textile fa…

Electron and laser-beam welded joints - Requirements and recommendations on quality levels for imperfections…

Overview - EN ISO 13919-1:2019 EN ISO 13919-1:2019, "Electron and laser‑beam welded joints - Requirements and recommendations on quality levels for imperfections - Part 1: Steel, nickel, titanium and…

Welding - Studs and ceramic ferrules for arc stud welding (ISO 13918:2017, Corrected version 2018-05)

Overview EN ISO 13918:2018 - Welding: Studs and ceramic ferrules for arc stud welding is the European adoption of ISO 13918:2017 (Corrected version 2018-05). The standard specifies requirements for s…

Welding - Studs and ceramic ferrules for arc stud welding (ISO 13918:2017, Corrected version 2018-05)

Overview EN ISO 13918:2018 - Welding: Studs and ceramic ferrules for arc stud welding is the European adoption of ISO 13918:2017 (Corrected version 2018-05). The standard specifies requirements for s…

Small craft - Steering gear - Geared link systems (ISO 13929:2001)

Overview EN ISO 13929:2017 - Small craft - Steering gear - Geared link systems specifies minimum construction, installation and testing requirements for geared‑link steering systems used on small cra…

Small craft - Steering gear - Geared link systems (ISO 13929:2001)

Overview EN ISO 13929:2017 - Small craft - Steering gear - Geared link systems specifies minimum construction, installation and testing requirements for geared‑link steering systems used on small cra…

Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)

Overview EN ISO 13904:2016 - "Animal feeding stuffs - Determination of tryptophan content" is a CEN-endorsed ISO method for measuring total and free tryptophan in animal feeds. The standard covers co…

Animal feeding stuffs - Determination of tryptophan content (ISO 13904:2016)

Overview EN ISO 13904:2016 - "Animal feeding stuffs - Determination of tryptophan content" is a CEN-endorsed ISO method for measuring total and free tryptophan in animal feeds. The standard covers co…

Health informatics - System of concepts to support continuity of care (ISO 13940:2015)

Overview EN ISO 13940:2016 (ISO 13940:2015) - "Health informatics - System of concepts to support continuity of care" defines a system of high-level concepts for healthcare delivery. It frames the co…

Health informatics - System of concepts to support continuity of care (ISO 13940:2015)

Overview EN ISO 13940:2016 (ISO 13940:2015) - "Health informatics - System of concepts to support continuity of care" defines a system of high-level concepts for healthcare delivery. It frames the co…

Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 1: Determination of maximum…

Overview EN ISO 13935-1:2014 - "Textiles - Seam tensile properties of fabrics and made‑up textile articles - Part 1: Determination of maximum force to seam rupture using the strip method" - defines a…

Textiles - Seam tensile properties of fabrics and made-up textile articles - Part 1: Determination of maximum…

Overview EN ISO 13935-1:2014 - "Textiles - Seam tensile properties of fabrics and made‑up textile articles - Part 1: Determination of maximum force to seam rupture using the strip method" - defines a…

Lubricated metal-powder mixes - Determination of lubricant content - Soxhlet extraction method (ISO 13944:201…

Overview EN ISO 13944:2012 (published by CEN/ISO) specifies a standardized Soxhlet extraction method for determining the lubricant content of lubricated metal‑powder mixes. The method removes organic…

Textiles - Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method (ISO…

Overview EN ISO 13934-2:2014 (ISO 13934-2:2014) - "Textiles - Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method" is a CEN-endorsed international standard th…

Textiles - Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method (ISO…

Overview EN ISO 13934-2:2014 (ISO 13934-2:2014) - "Textiles - Tensile properties of fabrics - Part 2: Determination of maximum force using the grab method" is a CEN-endorsed international standard th…

Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum f…

Overview EN ISO 13934-1:2013 / ISO 13934-1:2013 - "Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method" - specifie…

Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum f…

Overview EN ISO 13934-1:2013 / ISO 13934-1:2013 - "Textiles - Tensile properties of fabrics - Part 1: Determination of maximum force and elongation at maximum force using the strip method" - specifie…

Textiles - Standard atmospheres for conditioning and testing - Amendment 1 (ISO 139:2005/AMD 1:2011)

Overview EN ISO 139:2005/A1:2011 is an amendment to ISO 139:2005 that updates the requirements for standard atmospheres for conditioning and testing of textiles. Approved by CEN in 2011, the amendmen…

Lubricated metal-powder mixes - Determination of lubricant content - Soxhlet extraction method (ISO 13944:201…

Overview EN ISO 13944:2012 (published by CEN/ISO) specifies a standardized Soxhlet extraction method for determining the lubricant content of lubricated metal‑powder mixes. The method removes organic…

Textiles - Standard atmospheres for conditioning and testing - Amendment 1 (ISO 139:2005/AMD 1:2011)

Overview EN ISO 139:2005/A1:2011 is an amendment to ISO 139:2005 that updates the requirements for standard atmospheres for conditioning and testing of textiles. Approved by CEN in 2011, the amendmen…

Protective clothing for use against solid particulates - Part 1: Performance requirements for chemical protec…

Overview EN ISO 13982-1:2004/A1:2010 is an amendment to the European adoption of ISO 13982‑1 covering chemical protective clothing (Type 5) that provides full‑body protection against airborne solid p…

Protective clothing for use against solid particulates - Part 1: Performance requirements for chemical protec…

Overview EN ISO 13982-1:2004/A1:2010 is an amendment to the European adoption of ISO 13982‑1 covering chemical protective clothing (Type 5) that provides full‑body protection against airborne solid p…

Thermoplastics fittings - Determination of ring stiffness (ISO 13967:2009)

Overview EN ISO 13967:2009 - "Thermoplastics fittings - Determination of ring stiffness" is a CEN-endorsed ISO method for measuring the ring stiffness of thermoplastic pipe fittings (bends and branch…

Thermoplastics fittings - Determination of ring stiffness (ISO 13967:2009)

Overview EN ISO 13967:2009 - "Thermoplastics fittings - Determination of ring stiffness" is a CEN-endorsed ISO method for measuring the ring stiffness of thermoplastic pipe fittings (bends and branch…

Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO 13968:200…

Overview EN ISO 13968:2008 - Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO 13968:2008) specifies a standardized laboratory method to measure the…

Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO 13968:200…

Overview EN ISO 13968:2008 - Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO 13968:2008) specifies a standardized laboratory method to measure the…

Animal feeding stuffs - Determination of acid detergent fibre (ADF) and acid detergent lignin (ADL) contents…

Overview EN ISO 13906:2008 (ISO 13906:2008) specifies a gravimetric routine and reference method for determining acid detergent fibre (ADF) and acid detergent lignin (ADL) in all types of animal feed…

Animal feeding stuffs - Determination of acid detergent fibre (ADF) and acid detergent lignin (ADL) contents…

Overview EN ISO 13906:2008 (ISO 13906:2008) specifies a gravimetric routine and reference method for determining acid detergent fibre (ADF) and acid detergent lignin (ADL) in all types of animal feed…