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This document specifies a method for the quantitative determination of hydroxytyrosol and tyrosol content in extra virgin olive oils using reverse phase high performance liquid chromatography (RP-HPLC) with spectrophotometric detection. The method is also applicable to all other olive oils of a different commercial category.

This document specifies requirements for the classification of tubular-cored electrodes for metal arc welding with or without a gas shield of nickel and nickel alloys. It includes those compositions in which the nickel content exceeds that of any other element.

This document specifies a method for the determination of ash content of all solid biofuels.

This document specifies the syntax and semantics of video usability information (VUI) parameters and supplemental enhancement information (SEI) messages. The VUI parameters and SEI messages defined in this document are designed to be conveyed within coded video bitstreams in a manner specified in a video coding specification or to be conveyed by other means determined by the specifications for…

This document specifies the syntax and semantics of video usability information (VUI) parameters and supplemental enhancement information (SEI) messages. The VUI parameters and SEI messages defined in this document are designed to be conveyed within coded video bitstreams in a manner specified in a video coding specification or to be conveyed by other means determined by the specifications for…

This document specifies the requirements for the design and use of vitreous enamel coated bolted cylindrical steel tanks for the storage or treatment of water or municipal or industrial effluents and sludges. It is applicable to the design of the tank and any associated roof and gives guidance on the requirements for the design of the foundation. It is applicable where: a) the tank is cylindrical…

This document specifies information metadata, auxiliary fields, SAM interoperability, protection metadata and programming interfaces of genomic information. It defines: —    metadata storage and interpretation for the different encapsulation levels as specified in ISO/IEC 23092-1 (in Clause 6); —    protection elements providing confidentiality, integrity and privacy rules at the different…

This document specifies information metadata, auxiliary fields, SAM interoperability, protection metadata and programming interfaces of genomic information. It defines: — metadata storage and interpretation for the different encapsulation levels as specified in ISO/IEC 23092-1 (in Clause 6); — protection elements providing confidentiality, integrity and privacy rules at the different…

This document specifies general principles on colour fastness evaluation tests for leather, as listed in Annex A. Procedures included in this document are common to most of the fastness test methods. This document provides a common basis for testing and reporting colour fastness. The uses and limitations of the methods are pointed out, several terms are defined, an outline of the drafting of the…

IEC 61558-2-13:2022 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61558-2-13:2022 EXV includes the content of the references made to IEC 61558-1:2017. IEC 61558-2-13:2022 deals with the safety of auto-transformers…