BS EN 1883:2018 pdf download.Feather and down – Sampling in view of tests.
3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 lot all containers of a feather material or of manufactured products of one defined type and quality delivered to one customer according to one consignment 3.2 container units of packaging within the consignment (a carton, a case, a bale, etc.) the identification of which is quoted explicitly on the dispatch note NOTE Containers can or cannot contain packages. 3.3 package elementary unit (which can be unwound) within each container in the consignment 3.4 package sample elementary unit selected at random from those of the lot, regarded as representative of it and from which individual samples are drawn 3.5 individual sample manufactured article or portion of material drawn in order to prepare a laboratory bulk sample 3.6 laboratory bulk sample manufactured article or portion of the lot taken to be representative of the whole, and which is available to the laboratory NOTE The size and nature of the laboratory bulk sample is sufficient to overcome adequately the variability of the bulk source and to facilitate ease of handling in the laboratory.
4 Principle Withdrawal of individual samples selected at random from the united packages; these packages are taken at random from a lot. The samples form a laboratory bulk sample to provide the test specimens required for various tests.
5 Apparatus 5.1 A container of suitable dimensions in which to mix the laboratory bulk sample. 5.2 A square box of about 50 × 50 cm in size and 15 cm high. 5.3 A wooden cross to divide the square box diagonally.
6 Procedure 6.1 General This representative laboratory bulk sample is conditioned according to EN ISO 139. The temperature and relative humidity are also measured according to EN ISO 139. The test specimen for analysis (excluding determination of moisture content) shall be taken from the conditioned laboratory sample.
6.2 Feather material 6.2.1 If only single package (bag, bale or manufactured article) is to be tested, three individual samples shall be collected using gloves, at three different places in the contents, i.e. the upper, middle, and lower part. The quantity of individual samples taken shall be in accordance with Annex A. 6.2.2 In the case of several packages belonging to one lot, the package sample will be selected at random from different items of the lot and at different places. The number of package samples is governed by Annex A, as well as the quantity of material to be extracted from each package. The individual samples together form the laboratory bulk sample. The selected packages should be intact and in good external condition. 6.2.3 The laboratory bulk sample is placed in a suitable container (5.1) and carefully mixed. 6.2.4 If the laboratory bulk sample is greater than the one necessary to carry out all the requested analyses, the mixture (6.2.3) is transferred to the square box (5.2) and equally spread. The content of the square box is divided with the cross. The content of two opposite triangles is collected by hand and equally spread again and the procedure is repeated until it remains a quantity of the laboratory bulk sample necessary to the determination prescribed. If samples are taken from finished products (e.g. bedding, sleeping bags, and apparel products), these products shall be opened along the seams and emptied completely carefully by hand without damaging the filling material.BS EN 1883 pdf download.