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1 Scope This document specifies laboratory testing methods for electrically powered air circulating fan heads and ceiling fans when air is used as the test gas. This document is applicable to air cir…
Overview ISO 21632:2018/Amd 1:2020 is an important amendment to the international standard governing graphic technology, specifically focusing on the determination of energy consumption in digital pr…
Overview ISO 21671:2006/Amd 1:2011 is an amendment to the international standard for dentistry rotary polishers, originally published in 2006 by the International Organization for Standardization (IS…
Overview SIST EN ISO 21660-2:2026 specifies a standardized oven dry method to determine the total moisture content in solid recovered fuels (SRF) through a simplified on-site approach. Developed by C…
Overview EN ISO 21660-2:2025 specifies a standardized oven dry method to determine the total moisture content in solid recovered fuels (SRF) through a simplified on-site approach. Developed by CEN an…
Overview ISO 21636-3:2024 - Language coding: A framework for language varieties - Part 3: Application of the framework provides practical guidance for applying the ISO 21636 conceptual framework to i…
Overview ISO 21636-1:2024 - Language coding - A framework for language varieties - Part 1: Vocabulary - defines the core terminology and conceptual framework for identifying and describing varieties…
Overview EN ISO 21649:2023 (ISO 21649:2023) specifies requirements and test methods for needle-free injection systems (NFIS) intended for human medical use in clinics, other medical settings, and for…
Overview EN ISO 21606:2022 / ISO 21606:2022 - Dentistry - Elastomeric auxiliaries for use in orthodontics - is a European adoption of the international standard specifying requirements and test metho…
Overview EN ISO 21646:2022 - Solid recovered fuels: Sample preparation specifies standardized methods and the correct sequence of operations to prepare representative samples of solid recovered fuels…
Overview SIST EN ISO 21654:2021 - Solid recovered fuels: Determination of calorific value (ISO 21654:2021) specifies a standardized laboratory method to determine the gross calorific value of solid r…
Overview EN ISO 21676:2021 (identical to ISO 21676:2018) is a standardized analytical method for assessing water quality by determining the dissolved fraction of selected active pharmaceutical ingred…
Overview EN ISO 21640:2021 - Solid recovered fuels: Specifications and classes (ISO 21640:2021) defines a harmonized classification and specification system for solid recovered fuels (SRF) produced f…
Overview EN ISO 21654:2021 - Solid recovered fuels: Determination of calorific value (ISO 21654:2021) specifies a standardized laboratory method to determine the gross calorific value of solid recove…
Overview - SIST EN ISO 21645:2021 (Solid recovered fuels - Methods for sampling) SIST EN ISO 21645:2021 (identical to ISO 21645:2021 / EN ISO 21645:2021) specifies standardized methods for sampling s…
Overview EN ISO 21660-3:2021 (also published as ISO 21660-3:2021 and adopted by CEN) specifies the oven dry method for determining moisture content in a general analysis sample of solid recovered fue…
Overview EN ISO 21656:2021 / ISO 21656:2021 - "Solid recovered fuels - Determination of ash content" specifies laboratory methods for measuring the ash content of all solid recovered fuels (SRF). Ado…
Overview - EN ISO 21645:2021 (Solid recovered fuels - Methods for sampling) EN ISO 21645:2021 (identical to ISO 21645:2021 / EN ISO 21645:2021) specifies standardized methods for sampling solid recov…
Overview - EN ISO 21644:2021 (Solid recovered fuels - Biomass content) EN ISO 21644:2021 is a CEN-endorsed international standard that specifies accepted laboratory methods for determining the biomas…
Overview EN ISO 21637:2020 - Solid recovered fuels - Vocabulary (ISO 21637:2020) is an international vocabulary standard developed by ISO/TC 300 (Solid recovered fuels) and endorsed by CEN as EN ISO…
Overview EN ISO 21663:2020 (CEN adoption) specifies instrumental methods for the determination of total carbon (C), hydrogen (H), nitrogen (N) and sulphur (S) in solid recovered fuels (SRF). The stan…
Overview EN ISO 21683:2020 (ISO 21683:2019) - "Pigments and extenders: Determination of experimentally simulated nano-object release from paints, varnishes and pigmented plastics" - specifies a stand…
Overview SIST ISO 21632:2020 - Graphic technology gives standardized directions for measuring and calculating the electrical energy consumption of digital production presses, with special emphasis on…
Overview SIST ISO 21675:2019 outlines a standardized method for the determination of perfluoroalkyl and polyfluoroalkyl substances (PFAS) in various types of water. Developed by SIST and aligned with…
Overview SIST ISO 21676:2019 provides a standardized method for determining the dissolved fraction of selected active pharmaceutical ingredients, their transformation products, and other organic subs…
Overview EN ISO 21613:2017 (identical to ISO 21613:2015) specifies a standardized analytical method for the determination of chlorine and fluorine in mixed uranium–plutonium oxide-(U,Pu)O2-powders an…
Overview EN ISO 21670:2014 (ISO 21670:2014) covers specifications for hexagon weld nuts with flange (weld nuts) of product grade A. It defines sizes, material limits, mechanical properties, tolerance…
Overview EN ISO 21672-2:2012 - Dentistry - Periodontal probes - Part 2: Designation specifies how periodontal probes are to be named and identified. It defines a standardized four‑digit functional de…
Overview EN ISO 21672-1:2012 - Dentistry - Periodontal probes - Part 1: General requirements (ISO 21672-1:2012) specifies the general requirements and test methods for periodontal probes. Adopted by…
Overview SIST EN ISO 21671:2006/A1:2011 is an important amendment to the European and International Standard ISO 21671:2006. Published by CEN in collaboration with ISO Technical Committee ISO/TC 106…
Overview EN ISO 21671:2006/A1:2011 is an important amendment to the European and International Standard ISO 21671:2006. Published by CEN in collaboration with ISO Technical Committee ISO/TC 106 and C…
Overview EN ISO 21627-2:2009 - Plastics - Epoxy resins - Determination of chlorine content - Part 2: Easily saponifiable chlorine is a CEN-adopted ISO method for quantifying the easily saponifiable c…
Overview EN ISO 21627-3:2009 (ISO 21627-3:2009) - published by CEN/ISO - specifies a standardized laboratory method for the determination of total chlorine in epoxy resins. The method measures total…
Overview EN ISO 21627-1:2009 - Plastics - Epoxy resins - Determination of chlorine content - Part 1: Inorganic chlorine describes a standardized laboratory method to determine the amount of ionic (in…
Overview EN ISO 216:2007 (ISO 216:2007) defines the system of trimmed sizes for writing paper and certain printed matter. It standardises the metric A series (main series) and B series (subsidiary) p…
Overview EN ISO 21671:2006 - Dentistry - Rotary polishers (ISO 21671:2006) defines the dimensional and other essential requirements for the most commonly used rotary polishers employed at the dentist…
Overview EN ISO 2160:1998 (ISO 2160:1998) specifies the standardized copper strip test for evaluating the corrosiveness to copper of liquid petroleum products and certain solvents. The method determi…