ISO 3044:2020 pdf download

ISO 3044:2020 pdf download

ISO 3044:2020 pdf download.Essential oil of Corymbia citriodora (Hook.) K.D. Hill and L.A.S. Johnson (syn. Eucalyptus citriodora Hook.)
1 Scope
This document specifies certain characteristics of the essential oil of Corymbia citriodora (Hook.)K.D. Hill and L.A.S. Johnson (syn. Eucalyptus citriodora Hook.) with a view to facilitating the 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 degrees 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
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/
3.1 essential oil of Corymbia citriodora
essential oil obtained by steam distillation of the leaves and twigs of Corymbia citriodora (Hook.) K.D. Hill and L.A.S. Johnson of the Myrtaceae family
Note 1 to entry: For information on the CAS number see ISO/TR 21092.
4 Requirements
4.1 General requirements
The essential oil of Corymbia citriodora shall meet the requirements given in Table 1.
4.2 Chromatographic profile
Carry out the analysis of the essential oil by gas chromatography. Determine the chromatographic profile in accordance with the ISO 11024 series. Identify in the chromatogram obtained the representative and characteristic components shown in Table 2. The proportions of these components, indicated by the integrator, shall be as shown in Table 2. This constitutes the chromatographic profile of the essential oil.
5 Flash point
Information on the flash point is given in Annex B.
6 Sampling
Sampling shall be performed in accordance with ISO 212. The minimum test sample volume is 50 ml.
NOTE This volume allows each of the tests specified in this document to be carried out at least once.
7 Packaging, labelling, marking and storage
Packaging labelling, marking and storage shall be in accordance with ISO/TS 210 and ISO/TS 211.