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1 Scope This International Standard adopts both the veiling glare index (VGI) and the glare spread function (GSF) as measures of the veiling glare characteristics of optical and electrooptical imagin…
1 Scope This part of ISO 9342 specifies requirements for test lenses for focimeters that are used to measure contact lenses. These test lenses are used to find the precise correction values that are…
1 Scope This part of ISO 9377 specifies a method for the determination of the hydrocarbon oil index in waters by means of gas chromatography. The method is suitable for surface water, waste water and…
Overview EN ISO 9351:2025 - published by CEN as the European adoption of ISO 9351:2025 - specifies requirements and recommendations for cast galvanic anodes used for cathodic protection in seawater,…
Overview ISO 937:2023 - "Meat and meat products - Determination of nitrogen content - Reference method" specifies a reference Kjeldahl-based method for measuring nitrogen content in meat and meat pro…
Overview EN ISO 9342-1:2023 - "Optics and optical instruments - Test lenses for calibration of focimeters - Part 1" defines reference lenses used to calibrate and verify focimeters that measure spect…
Overview EN ISO 9333:2022 - Dentistry - Brazing materials specifies requirements and test methods for dental brazing materials used in metallic restorations. This third edition (adopted by CEN as EN…
Overview - EN ISO 9300:2022 (Measurement of gas flow by means of critical flow nozzles) EN ISO 9300:2022 (ISO 9300:2022) defines the geometry, installation and operating requirements for critical flo…
Overview SIST ISO 9362:2020 (equivalent to ISO 9362:2014) defines the universal structure and elements of the Business Identifier Code (BIC), a critical standard for banking telecommunication message…
Overview SIST EN ISO 9308-1:2014/A1:2017 specifies the standardized membrane filtration method for the enumeration of Escherichia coli and coliform bacteria in waters with low bacterial background fl…
Overview EN ISO 9308-1:2014/A1:2017 is the CEN-endorsed amendment to ISO 9308-1:2014 and prescribes the membrane filtration method for the enumeration of Escherichia coli and coliform bacteria in wat…
Overview EN ISO 9308-1:2014 (CEN adoption of ISO 9308-1:2014) defines a standardized membrane filtration method for the enumeration of Escherichia coli (E. coli) and coliform bacteria in waters that…
Overview SIST EN ISO 9308-2:2014 specifies a standardized method for the enumeration of Escherichia coli (E. coli) and coliform bacteria in water, using the Most Probable Number (MPN) technique. Deve…
Overview EN ISO 9308-2:2014 specifies a standardized method for the enumeration of Escherichia coli (E. coli) and coliform bacteria in water, using the Most Probable Number (MPN) technique. Developed…
Overview EN ISO 9312:2013 (ISO 9312:2013) specifies requirements for insulated pins used to pin parts in the secondary circuit of resistance welding equipment (for example in electrode back-ups) or i…
Overview SIST ISO 9308-2:2013 - "Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method" specifies a standardized Most Probable Number (MPN) liqui…
Overview EN ISO 9394:2012 - Ophthalmic optics: Contact lenses and contact lens care products - specifies an in vivo ocular study using rabbit eyes to determine biocompatibility and the degree of ocul…
Overview EN ISO 9311-2:2011 (ISO 9311-2:2011) defines a standardized laboratory method to determine the shear strength of joints bonded with adhesives for thermoplastic piping systems. The standard p…
EN ISO 9360-2:2009 - Overview EN ISO 9360-2:2009 (ISO 9360-2:2001) is a CEN-adopted international standard for heat and moisture exchangers (HMEs) used to humidify respired gases in tracheostomized p…
Overview EN ISO 9360-1:2009 (ISO 9360-1:2000) specifies requirements and test methods for heat and moisture exchangers (HMEs) used to humidify respired gases in humans. It covers HMEs intended primar…
Overview EN ISO 9346:2007 - titled Hygrothermal performance of buildings and building materials - Physical quantities for mass transfer - Vocabulary - is a CEN-adopted International Standard that def…
Overview EN ISO 9342-2:2005 - Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses (ISO 9342-2:2005) speci…
Overview EN ISO 9311-1:2005 - "Adhesives for thermoplastic piping systems - Part 1: Determination of film properties" (CEN adoption) defines laboratory procedures to assess the spreadability and basi…
Overview EN ISO 9311-3:2005 - Adhesives for thermoplastic piping systems: Part 3 - specifies a standardized test method for determining resistance to internal pressure of bonded assemblies made with…
Overview SIST ISO 936:2003 - Meat and meat products - Determination of total ash is an internationally recognized standard developed by the International Organization for Standardization (ISO). This…
Overview EN ISO 9377-2:2000 - "Water quality - Determination of hydrocarbon oil index - Part 2: Method using solvent extraction and gas chromatography" specifies a laboratory method to quantify the h…
Overview SIST EN ISO 9396:2001 specifies a standardized method for the determination of the gel time of phenolic resins at a given temperature using automatic apparatus. This method, harmonized with…
Overview EN ISO 9396:2000 defines a standardized test method for determining the gel time of phenolic resins (resols) at a given temperature using an automatic reciprocating-plunger apparatus. The pr…
Overview EN ISO 9308-3:1998 - "Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and wastewater - Part 3: Miniaturized method (Most Probable Number) by in…
Overview ISO 938:1975 - "Hand-operated stillage trucks - Principal dimensions" is an International Standard that defines the principal dimensional parameters for hand-operated stillage trucks so they…
Overview SIST ISO 935:1998 is an internationally recognized standard established by the International Organization for Standardization (ISO) that specifies a precise method for the determination of t…
Overview SIST ISO 930:1998 - Spices and Condiments - Determination of Acid-Insoluble Ash is an international standard set by ISO to specify a method for measuring the acid-insoluble ash content in sp…
Overview ISO 9374-4:1989 - "Cranes - Information to be provided - Part 4: Jib cranes" specifies the information that a purchaser must supply when enquiring for or ordering a jib crane, and the inform…
Overview SIST ISO 9374-1:1997, titled Cranes - Information to be provided - Part 1: General, is an international standard developed by ISO Technical Committee ISO/TC 96, specializing in cranes. This…
Overview SIST ISO 9374-5:1997 specifies the essential information that must be exchanged between the purchaser and the manufacturer of overhead travelling cranes and portal bridge cranes. This standa…
Overview SIST ISO 9373:1997, Cranes and related equipment - Accuracy requirements for measuring parameters during testing, establishes the main requirements for measuring instruments and systems used…
Overview ISO 9359:1989 specifies a stratified sampling method for assessment of ambient air quality. The standard describes how to estimate percentiles (fractiles/quantiles) and, in certain cases, me…
Overview SIST ISO 931:1996, titled "Green Bananas - Guide to Storage and Transport," is an international standard developed by ISO Technical Committee ISO/TC 34 on Agricultural Food Products. This st…
Overview ISO 9376:1988 - Early potatoes - Guide to cooling and refrigerated transport - provides practical guidance for the post‑harvest handling, cooling and refrigerated transport of early potatoes…
Overview - ISO 9390:1990 (Water quality - Borate by azomethine‑H) ISO 9390:1990 defines a spectrometric method for determination of borate (expressed as boron) in water using the reagent azomethine‑H…
