ISO 4727-2021 pdf download

ISO 4727-2021 pdf download.Essential oil of palmarosa [Cymbopogon martini (Roxb.) W. Watson var. motia]. 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 .org/obp — IEC Electropedia: available at http://www.electropedia.org/ 3.1 essential oil of palmarosa essential oil obtained by steam distillation of the grass of Lcymbopogon martini (Roxb.) W. Watson var. motia] of the Poaceae family, collected in flowering stage Note ito entry: For information on CAS number, see ISO/TR 21092. 4 Requirements 41 General requirements Essential oil of palmarosa ICymbopogon martini (Roxb.) W. Watson var. motiaj shall meet the requirements as 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 IS01 1024 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 hromatographic profile of the essential oil. 5 Flashpoint Information on the flashpoint is given in Annex B. 6 Sampling Sampling shall be performed in accordance with ISO 212. The minimum volume of the test sample is 50 ml. NOTE The volume allows each of the tests specified in this document to be carried out at least once.ISO 4727 pdf download.