Éthylène à usage industriel — Échantillonnage en phase liquide et en phase gazeuse

This document describes the procedures and the precautions to be taken in drawing representative samples of ethylene in the liquid phase stored at -100 °C and in the gaseous phase, for the purpose of their analysis.

Annex A sets out a diagrammatic representation of a system for the disposal of the portion of the sample which is not used in the analysis.