ISO 4727:1988 玫瑰草〔Cymbopogon martinii（Roxburgh）W.Watson var.motia〕油

标准编号：ISO 4727:1988

中文名称：玫瑰草〔Cymbopogon martinii（Roxburgh）W.Watson var.motia〕油

英文名称：Oil of palmarosa (Cymbopogon martinii (Roxburgh) W. Watson var. motia)

发布日期：1988-05

标准范围

本标准规定了油的以下特性。外观:清澈、流动性好的液体。颜色:淡黄色。气味:典型的玫瑰色，带有青草的味道。20/20°C时的相对密度:0880-0894。20°C时的折射率:14710-14780。20°C下的旋光:范围为-1,4至+3。与70%（V/V）乙醇在20°C下的相容性:1:2。酸值:最大值为1,0。进一步给出了酯值、游离醇含量和乙酰化后酯值的允许值。显示了两种典型的色谱图。

The Standard specifies the following characteristics of the oil. Appearance: Clear, mobile liquid. Colour: Pale yellow. Odour: Characteristic rose like, with grassy note. Relative density at 20/20 °C: 0,880 - 0,894. Refractive index at 20 °C: 1,4710 - 1,4780. Optical rotation at 20 °C: Range from - 1,4 to + 3. Miscibility with 70 % (V/V) ethanol at 20 °C: 1 : 2. Acid value: Maximum 1,0. Further on permissible values for ester value, free alcohols content and ester value after acetylation are given. Two typical chromatograms are shown.

标准预览图