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IEC 60335-2-31:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 60335-2-31:2024 edition 6.0 and the previous IEC 60335-2-31:2012+AMD1:2016+AMD2:2018 CSV edition 5.2. Furthermore, comments from IEC TC 61 experts are provided to explain the reasons of the most relevant changes…

IEC 60335-2-31:2024 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 60335-2-31:2024 EXV includes the content of the references made to IEC 60335-1:2020. IEC 60335-2-31:2024 deals with the safety of electric range…

This document describes methods for the determination of the dry matter content of lignins by oven-drying and freeze-drying. The methods are applicable to all types of lignins isolated from kraft, organosolv, soda, and sulfite pulping processes, and to lignin obtained by enzymatic or acid hydrolysis of biomass. However, the oven-drying method is not applicable to kraft lignins in the base form,…

This document specifies a method for the determination of nitrite and nitrate in meat and meat products using ion chromatography.

IEC 80601-2-26:2019+AMD1:2024 CSV applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of ELECTROENCEPHALOGRAPHS as defined in 201.3.204, hereafter also referred to as ME EQUIPMENT or ME SYSTEM. This document is applicable to ELECTROENCEPHALOGRAPHS intended for use in professional healthcare facilities, the EMERGENCY MEDICAL SERVICES ENVIRONMENT or the HOME HEALTHCARE ENVIRONMENT. This document…

CISPR 11:2024 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between CISPR 11:2024 edition 7.0 and the previous CISPR 11:2015+AMD1:2016+AMD2:2019 CSV edition 6.2. Furthermore, comments from CISPR Subcommittee B experts are provided to explain the reasons of the most relevant changes, or to…

This document establishes general rules for evaluating and expressing uncertainty in measurement from the shop floor to fundamental research. Therefore, the principles of this suite of documents are intended to be applicable to a broad spectrum of measurements and their applications. An overview of the parts of the GUM is given in table A.1 in Annex A. NOTE Where the acronym GUM is used in this…

IEC 60939-3:2024 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60939-3:2024 covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or…

IEC 60939-3:2024 covers passive filters used to attenuate unwanted radio-frequency signals (such as noise or interference) generated from electromagnetic sources. Both single and multi-channel filters within one enclosure or which are built on a printed circuit board forming a compact entity are included within the scope of this document. This document applies to passive filter units for…

IEC 603352-120:2024 deals with the safety of appliances for generation of directly inhalable aerosols, their rated voltage being not more than 250 V for single-phase appliances, and other appliances including direct current (DC) supplied appliances and battery-operated appliances. Examples of the appliances that are within the scope of this standard are: - vapour and aerosol appliances; -…