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This document specifies test methods for the determination of the carbon black content of polyolefin compositions used in particular for the manufacture of pipes and fittings, and provides a basic specification for polyethylene pipes and fittings. This document applies equally to the material for manufacture and to any material taken from a pipe or fitting.

IEC 62443-4-2:2019 provides detailed technical control system component requirements (CRs) associated with the seven foundational requirements (FRs) described in IEC TS 62443-1-1 including defining the requirements for control system capability security levels and their components, SL-C(component). As defined in IEC TS 62443-1-1 there are a total of seven foundational requirements (FRs): a)…

This document defines the different concepts, entities and roles involved in implementing and delivering ExVe web services. In addition, it also gives an overview of the necessary activities that should be executed by the different roles involved and a logical order for those activities. This document defines the concept of identifiers (direct and correlated), different Resource categories (e.g.…

ISO 21813 specifies methods for the chemical analysis of fine high purity barium titanate powders used as the raw material for fine ceramics. ISO 21813 stipulates the determination methods of the barium, titanium, aluminium, cadmium, calcium, cobalt, dysprosium, iron, lead, magnesium, manganese, nickel, niobium, potassium, silicon, sodium, strontium, vanadium, zirconium, carbon, oxygen and…

This document provides a method for sampling compressed air and a guide for choosing suitable measuring equipment to determine its particle size and concentration by number (to be referenced as "concentration" throughout this document). It also describes the limitations of the various measurement methods and describes the evaluation and uncertainty considerations. This document will…

This document gives guidelines for the systematic and methodical acquisition and review of quantitative environmental information and data about systems. It supports the application of standards and reports on environmental management. This document gives guidelines for organizations on the general principles, policies, strategies and activities necessary to obtain quantitative environmental…

This document specifies the requirements for two wrought cobalt 28-chromium 6-molybdenum alloys used for surgical implants. The properties apply specifically to wrought bar, rod and wire. NOTE 1 The mechanical properties of a sample obtained from a finished product made of this alloy can differ from those specified in this document. NOTE 2 The high carbon content of this alloy produces a…

IEC 61400-1:2019 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 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its…

<!-- NEW! -->IEC 61400-1:2019 is available as <a href="https://webstore.iec.ch/publication/64648">IEC 61400-1:2019 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. <p style="margin-left:0cm; margin-right:0cm">IEC 61400-1:2019 specifies essential…

IEC 61400-1:2019 specifies essential design requirements to ensure the structural integrity of wind turbines. Its purpose is to provide an appropriate level of protection against damage from all hazards during the planned lifetime. This document is concerned with all subsystems of wind turbines such as control and protection functions, internal electrical systems, mechanical systems and support…