Propylène et butadiène à usage industriel — Échantillonnage en phase liquide

This document describes the procedures and precautions to be taken in drawing representative samples of propylene and butadiene, in the liquid 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 not used in the analysis. Annexes B, C and D show the sequence of operations for filling a sampling cylinder in non-closed and closed sampling apparatus.