ISO 14422 pdf download

ISO 14422 pdf download.Carbonaceous materials used in the production of aluminium — Cold-ramming pastes — Methods of sampling 1 Scope This International Standard describes methods and conditions for sampling of cold-ramming pastes used in aluminium manufacture. 2 Normative reference The following normative document contains provisions which, through reference in this text, constitutes provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 6257, Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling. 3 Terms and definitions For the purposes of this International Standard, the terms and definitions given in ISO 6257 and the following apply. 3.1 cold-ramming paste mixture containing graded carbonaceous aggregate and bonding materials which harden when heated to form a carbonaceous bond NOTE Such a mixture needs to be installed at or near ambient temperature by the use of mechanical or pneumatic tools or vibration. 3.2 increment amount of material taken from a sample unit in a single operation with a sampling device 3.3 test portion amount of material taken from the laboratory sample and prepared in a manner suitable for use in a particular determination 3.4 sample unit item defined quantity of material having a boundary NOTE 1 The boundary may be physical, for example a container, or temporal, for example a particular time or time interval in the case of a stream of material.NOTE 2 A number of sample units may be gathered together, for example in a package or box. NOTE 3 In English, the terms “item”, “unit” and “individual” are sometimes used as synonyms for “sample unit”. In French, the term “individu” is sometimes used as a synonym for “unité d’échantillonnage”. 4 General The type of sampling equipment, and the preparation and reduction of the samples, which should not alter the properties to be determined, shall be agreed between the contracting parties. When sampling material in movement, do so during loading or unloading of the consignment or while packaging units are being filled (see 6.4.5). During sampling, sample division, and the preparation and storage...