Lasers and laser-related equipment — Test methods for laser-induced damage threshold — Part 1: Defin...
ISO 21254-1:2011 defines terms used in conjunction with, and the general principles of, test methods for determining the laser-induced damage threshold and for the assurance of optical laser components subjected to laser radiation.
Water quality — Estimation of measurement uncertainty based on validation and quality control data
This International Standard specifies methods for the estimation of measurement uncertainty of chemical and
physicochemical methods in single laboratories based on validation data and analytical quality control results
obtained within the field of water analysis.
NOTE 1 The principles of the estimation of uncertainty specified in this International Standard are consistent with the
principles…
Lasers et équipements associés aux lasers — Méthodes d'essai du seuil d'endommagement prov...
L'ISO 21254-1:2011 définit les termes et les principes de base des méthodes d'essai permettant de déterminer le seuil d'endommagement provoqué par laser et de vérifier les composants optiques du laser soumis à un rayonnement laser.
Traditional Chinese Medicine — Polygonum multiflorum root
This document specifies the quality and safety requirements and test methods of Polygonum multiflorum root, which is derived from the root of Polygonum multiflorum Thunb. (Fam. Polygonaceae).
This document is applicable to Polygonum multiflorum root that are sold and used as natural medicines in international trade, including Chinese Materia Medica (whole medicinal material) and decoction pieces…
Sustainability information — Part 4: Principles and requirements for bodies validating and verifying...
This document provides specific requirements for bodies performing validation and verification of declared sustainability information.
This document adopts the principles and general requirements of ISO/IEC 17029 for the competence, consistent operation and impartiality of bodies performing validation/verification as conformity assessment activities. This document includes additional principles…
Life-threatening components of fire — Part 3: Guidelines for the estimation of time to compromised t...
This standard provides guidance for fire safety engineering that is applicable for fires in enclosed spaces. It is intended to be used in conjunction with models for analysis of the initiation and development of fire, fire spread, impact of heat, radiation, and limited visibility, smoke formation and movement, chemical species generation, transport and decay, and people movement, as well as fire…