NF EN 15691

Ethanol as a blending component for petrol - Determination of dry residue (involatile material) - Gravimetric method

Le présent document prescrit une méthode pour la mesure de la teneur en résidu sec de l'éthanol, dans un domaine allant de (10 à 25) mg/100 ml, le résidu étant obtenu par méthode gravimétrique (dessiccation). Le résidu sec est mesuré par pesée du résidu restant après évaporation d'alcool sur un bain d'eau bouillante puis séchage à l'étuve. Le résidu sec comprend toute la matière qui n'est pas volatile dans des conditions physiques données.

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