NF M41-006

Liquiefied petroleum gases. Commercially available butane. Plumbite of sodium and sulfur method.

L'essai au plombite de sodium est un essai qualitatif rapide dont la réponse positive en cas de changement de coloration indique la présence d'hydrogène sulfuré et de mercaptans. Cet essai pratiqué en raffinerie est également requis dans les spécifications du butane commercial.

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