天竺葵精油(天竺葵属Pelargonium × ssp

[中文适用范围]： 本国际标准规定了来自不同天竺葵品种（俗称天竺葵）的天竺葵精油（天竺葵 × spp.）的某些特性，以便于评估其质量。 [外文原描述]： ISO 4731:2012 specifies certain characteristics of essential oil of geranium ( Pelargonium × spp.) coming from different Pelargonium species commonly known as Pelargonium graveolens , in order to facilitate assessment of its quality.