ISO 20809 pdf download

ISO 20809 pdf download

ISO 20809 pdf download Essential oil of cypress (Cupressus sempervirens L.)
1 Scope
This document specifies certain characteristics of the essential oil of cypress (Cupressus sempervirens L.) in order to facilitate assessment of its quality.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO/TS 210, Essential oils — General rules for packaging, conditioning and storage
ISO/TS 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
ISO 592, Essential oils — Determination of optical rotation
ISO 875, Essential oils — Evaluation of miscibility in ethanol
ISO 11024 (all parts), Essential oils — General guidance on chromatographic profiles
ISO 18321, Essential oils — Determination of peroxide value
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
essential oil of cypress
essential oil obtained by steam distillation of branches and leaves of Cupressus sempervirens L.
Note 1 to entry: For information on CAS number, see ISO/TR 21092.

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