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ISO 4716-2013 pdf free download

ISO 4716-2013 pdf free download.Essential oil of vetiver [Chrysopogon zizanioldes (L.) Robert syn. Vetiveria zizanioldes (L.) Nash]
Huile essentielle de vétiver [Chrysopogon zizarnoides (L.) Roberty, syn. Vetiveria zizanloides (L.) Nash].
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO/TR 210, Essential oils — General rules for packaging, conditioning and storage
ISO/TR 211, Essential oils — General rules for labelling and marking of containers
ISO 212, Essential oils — Sampling
ISO 279, Essential oils — Determination of relative density at 20 °C — Reference method
ISO 280, Essential oils — Determination of refractive index
150 592, Essential oils — Determination of optical rotation
ISO 875, Essential oils — Evaluation of miscibility in ethanol
ISO 1242, Essential oils — Determination of acid value
ISO 11024 (all parts), Essential oils — General guidance on chromatographIc profiles
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
essential oil olvetiver
essential oil obtained by steam distillation of the roots of chrysopogon xixanioides (L.) Roberty, syn. Vetiveria 7izanioides (L.) Nash of the Poaceae family
Note I to entry: For information on the CAS number, see ISO/TR 21092.121
4 Requirements
4.1 Appearance Viscous liquid.
4.2 Colour
From yellowish brown to reddish brown.
4.9 Chromatographic profile
Carry out the analysis of the essential oil by gas chromatography. Identify in the chromatogram obtained the representative and characteristic components shown in Table 1. The proportions oft hese components, indicated by the integrator, shall be as shown in Table 1. This constitutes the chromatographic profile of the essential oil.
Important — Due to the viscosity of this essential oil, it is necessary to dilute it with 1,8-cineole so that the final mass fraction of each component in the mixture is 50 %. It is also recommended to use a polyethylene glycol type polar column. There will be two integrations, with and without 1,8cineole.ISO 4716-2013 pdf free download.

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