BS ISO 3064:2015 pdf download – Essential oil of petitgrain, Paraguayan type (Citrus aurantium L. var. Paraguay (syn. Citrus aurantium var. bigaradia Hook f.))

BS ISO 3064:2015 pdf download – Essential oil of petitgrain, Paraguayan type (Citrus aurantium L. var. Paraguay (syn. Citrus aurantium var. bigaradia Hook f.)) 1 Scope This International Standard specifies certain characteristics of the essential oil of petitgrain, Paraguayan type (Citrus aurantium L. var. Paraguay (syn. Citrus aurantium var. bigaradia Hook f.)), intended to facilitate the assessment of its quality. 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/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 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. 3.1 essential oil of petitgrain essential oil obtained by steam distillation of only leaves and twigs of Citrus aurantium L. var. Paraguay (syn. Citrus aurantium var. bigaradia Hook f.), mainly cultivated in Paraguay, of the Rutaceae family Note 1 to entry: For information on the CAS number, see ISO/TR 21092. [2] 4 Specifications 4.1 Appearance Clear liquid. 4.2 Colour Colourless to pale yellow. 4.3 Odour Fresh, green, and flowery. 4.4 Relative density, d 20 Minimum: 0,884. Maximum: 0,892. 4.5 Refractive index at 20 °C Minimum: 1,454. Maximum: 1,463. 4.6 Optical rotation at 20 °C Between –5° and –1°. 4.7 Miscibility in ethanol 70 % (volume fraction) at 20 °C It shall not be necessary to use more than 3,5 volumes of ethanol 70 % (volume fraction) to obtain a clear solution with one volume of essential oil. 4.8 Acid value Maximum: 1. 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 of these components,indicated by the integrator, shall be as shown in Table 1....