ISO 11020 pdf download

ISO 11020 pdf download.Oil of turpentine, Iberian type ( Pinus pinaster Sol.) 1 Scope This International Standard specifies certain character- istics of oil of turpentine, Iberian type ( Pinus pinaster Sol.), in order to facilitate assessment of its quality. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to in- vestigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid Inter- national Standards. ISO/TR 21 0:— 1) , Essential oils — General rules for packaging, conditioning and storage. ISO/TR 21 1 :— 2) , Essential oils — General rules for labelling and marking of containers. ISO 21 2:1 973, Essential oils — Sampling. ISO 279:— 3) , Essential oils — Determination of rela- tive density at 20 °C — Reference method. ISO 280:— 4) , Essential oils — Determination of re- fractive index.ISO 592:— 5) , Essential oils — Determination of optical rotation. ISO 1 242:— 6) , Essential oils — Determination of acid value. ISO 3405:1 988, Petroleum products — Determination of distillation characteristics. ISO 471 5:1 978, Essential oils — Quantitative evalua- tion of residue on evaporation. ISO 1 1 024-1 :— 7) , Essential oils — General guidance on chromatographic profiles — Part 1 : Preparation of chromatographic profiles for presentation in standards. ISO 1 1 024-2:— 7) , Essential oils — General guidance on chromatographic profiles — Part 2: Utilization of chromatographic profiles of samples of essential oils. 3 Definition For the purposes of this International Standard, the following definition applies. 3.1 oil of turpentine, Iberian type essential oil, obtained by superheated steam distilla- tion at a temperature below 1 80 °C, of the gum resin from Pinus pinaster Sol., of the Pinaceae family, mainly produced in Portugal and Spain 4 Requirements 4.1 Appearance Clear, mobile liquid. 4.2 Colour Colourless. 4.3 Odour Characteristic. 4.4 Taste Piquant and acrid. 4.5 Relative density at 20 °C, 20 20 d Minimum: 0,860 Maximum: 0,872 4.6 Refractive index at 20 °C Minimum: 1 ,465 0 Maximum: 1,475 0 4.7 Optical rotation at 20 °C Range from −40° to −28°. 4.8 Distillation test The temperature at the beginning of...