Tabac et produits du tabac — Détermination de la teneur en eau — Méthode par chromatographie en phas...
Le présent document spécifie une méthode de chromatographie en phase gazeuse (CPG) pour la détermination de la teneur en eau. Il s’applique au tabac brut ainsi qu’au tabac provenant de produits finis. Cette méthode est adaptée aux teneurs en eau dont la fraction massique est comprise entre 2 % et 55 %.
Space systems — Safety requirements — Part 3: Flight safety systems
This document sets out the minimum requirements for flight safety systems (FSSs), including flight termination systems (FTSs, externally controlled systems or on-board automatic systems), tracking systems, and telemetry data transmitting systems (TDTSs) for commercial or non-commercial launch activities of orbital or suborbital, unmanned space vehicles. The intent is to minimize the risk of…
Railway infrastructure — Rail welding — Part 1: General requirements and test methods for rail weldi...
This document specifies requirements concerning the approval and/or homologation of welding processes, contractors, welders, inspectors and acceptance of welded joints in the factory and/or track.
This document is applicable to the following rail welding processes:
flash butt welding (FBW);
gas pressure welding (GPW);
aluminothermic welding (ATW);
enclosed arc welding (EAW).
In this document,…
Infrastructure ferroviaire — Soudage des rails — Partie 1: Exigences de portée générale et méthodes ...
Le présent document spécifie des exigences relatives à l’approbation et/ou à l’homologation des procédés de soudage et des entreprises, soudeurs, contrôleurs, ainsi qu’à la réception en usine ou en voie des joints soudés.
Le présent document s’applique aux procédés de soudage des rails suivants:
a) soudage par étincelage (FBW);
b) soudage au gaz (GPW);
c) soudage par aluminothermie (ATW);
d)…
Petroleum and natural gas industries — Factory bends, fittings and flanges for pipeline transportati...
This document specifies the technical delivery conditions for unalloyed or low-alloy steel seamless and welded pipeline fittings for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623.
This document is applicable to welding-end fittings such as elbows, caps, tees, single or multiple extruded headers, reducers, and transition sections made…
Tobacco and tobacco products — Determination of water content — Gas-chromatographic method
This document specifies a gas-chromatographic (GC) method for the determination of water content. It is applicable to raw tobacco as well as tobacco taken from finished products. The method is suitable for water contents ranging at least from a mass fraction of 2 % to 55 %.
Guidelines for the validation of qualitative screening methods for the detection of residues of vete...
This document describes general workflows and protocols for the validation and the verification of qualitative screening tests for the detection of residues of veterinary drugs in liquid milk (raw, pasteurized, UHT and reconstituted milk powders and whey protein extracts) including biological methods. This guideline does not cover the validation of residue analysis by HPLC, UHPLC or LC-MS/MS.…
Lignes directrices pour la validation des méthodes qualitatives de dépistage des résidus de médicame...
Le présent document spécifie des processus et protocoles généraux pour la validation et la vérification des essais qualitatifs de dépistage des résidus de médicaments vétérinaires dans le lait à l’état liquide (lait cru, lait pasteurisé, lait UHT et lait en poudre reconstitué et concentrés de protéine de lactosérum) incluant des méthodes biologiques. Ces lignes directrices ne couvrent pas la…
Animal and vegetable fats and oils — Determination of fatty-acid-bound chloropropanediols (MCPDs) an...
This document specifies a rapid procedure for the simultaneous determination of 2-MCPD esters (bound 2-MCPD), 3‐MCPD esters (bound 3‐MCPD) and glycidyl esters (bound glycidol) in a single assay, based on alkaline catalysed ester cleavage and derivatization of cleaved (free) analytes with phenylboronic acid (PBA) prior to GC-MS/MS analysis. Glycidyl ester overestimation is corrected by addition of…