ISO 279:1998

Essential oils. Determination of relative density at 20 degrees Celsius. Reference method.

La présente Norme internationale spécifie la méthode de référence pour la détermination de la densité relative à 20 °C des huiles essentielles.

NOTE S'il est nécessaire d'opérer à une température différente en raison de la nature de l'huile essentielle, la température doit être indiquée dans la Norme internationale relative à l'huile essentielle considérée. La correction moyenne, aux environs de 20 °C, est de 0,000 7 à 0,000 8 par degré Celsius.

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