Essential oil of Melaleuca, terpinen-4-ol type (tea tree oil)
This document specifies certain characteristics of the essential oil of Melaleuca, terpinen-4-ol type (tea tree oil), in order to facilitate assessment of its quality.
Gas analysis — Comparison methods for determining and checking the composition of calibration gas mi...
This document specifies methods for:
— determining the composition of a calibration gas mixture by comparison with appropriate reference gas mixtures;
— calculating the uncertainty of the composition of a calibration gas mixture in relation to the known uncertainty of the composition of the reference gas mixtures with which it was compared;
— checking the composition attributed to a…
Geographic information — Gap analysis of geospatial standards for indoor-outdoor seamless navigation
The objective of this document is to analyse gaps in geospatial standards for indoor-outdoor seamless navigation. This document is intended to be used by designers, developers and providers of outdoor or indoor navigation services.
This document:
a) specifies the concepts for the indoor-outdoor seamless navigation;
b) outlines conceptual architecture and scenarios (or use-cases) for…
Binders for paints and varnishes — Determination of turbidity
This document specifies an instrumental method for determining the turbidity of clear liquids. It is applicable to resins and resin solutions, solvents, clear coating materials, monomers and any other liquids where clarity is specified.
Aciers pour l'armature et la précontrainte du béton — Méthodes d'essai — Partie 3: Aciers ...
Le présent document spécifie les méthodes d’essai applicables aux aciers de précontrainte (barres, fils ou torons) pour le béton.
Le présent document ne couvre pas les conditions d’échantillonnage qui sont spécifiées dans les normes de produit.
Multicore and symmetrical pair/quad cables for digital communications - Part 11: Symmetrical single ...
IEC 61156-11:2023+AMD1:2025 CSV describes cables intended to be used for single balanced pair (office, home, industrial) applications according to ISO/IEC 11801-1. An example of existing application is 1000BASE-T1, see ISO/IEC TR 11801-9906. The transmission characteristics of these cables are specified up to a frequency of 1,25 GHz and at a temperature of 20 °C. The T1-C type cable is specified…
Implants chirurgicaux — Matériaux — Mode opératoire de préparation de fluide corporel simulé (FCS) e...
Le présent document spécifie un mode opératoire de préparation du fluide corporel simulé (FCS) et une méthode d’essai utilisable comme outil d’étude préliminaire lors de l’évaluation de la formation d’apatite sur les surfaces des matériaux d’implant en contact avec l’os.
NOTE 1 Les résultats de cet essai FCS (voir Article 7) ne permettent pas d'établir à eux-seuls la capacité de…
Nuclear power plants - Instrumentation systems - Measurements for monitoring adequate cooling within...
IEC 60911:2025 applies to pressurized water reactors (PWRs) and presents requirements for the monitoring of adequate cooling within the core in all operations, including normal and abnormal operations. Requirements for core cooling monitoring during conditions beyond a design basis accident, i.e. a design extension condition of type A or type B, are also covered in this document.
This document…
