BS ISO 3044:2020 pdf download.Essential oil of Corymbia citriodora (Hook.) K.D. Hill and L.A.S. Johnson (syn. Eucalyptus citriodora Hook.) This document specifies certain characteristics of the essential oil of Corymbia citriodora (Hook.) K.D. Hill and L.A.S. Johnson (syn. Eucalyptus cit riodora 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 825. 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.electropcdia.orgJ 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. ldentify 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.BS ISO 3044 pdf download.
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