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BS EN ISO 3303-2:2020 pdf free

BS EN ISO 3303-2:2020 pdf free.Rubber- or plastics-coated fabrics Determination of bursting strength. A test piece is securely clamped around its edges between an upper and lower clamp. A diaphragm fitted beneath the lower clamp is gradually stretched into a dome by forcing fluid at a constant rate into a chamber under the diaphragm, thus causing it to make contact...

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BS EN ISO 9873:2019 pdf free

BS EN ISO 9873:2019 pdf free.Dentistry - Intra-oral mirrors. handheld dental instrument for intra-oral inspection or inspection and tissue retraction generally comprising the mirror head and the mirror handle Note 1 to entry: See Figure 1. mirror head assembly comprising a glass reflective surface, casing, packing (if present) and stem part of the intra-oral mirror connecting the reflecting surface to...

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BS EN ISO 6647-2:2020 pdf free

BS EN ISO 6647-2:2020 pdf free.Rice - Determination of amylose content. Rice is ground to a very fine flour to break up the endosperm structure in order to aid complete dispersion and gelatinization. A test portion is dispersed in a sodium hydroxide solution. An aliquot portion is taken to which is added an iodine solution. The absorbance, at 720 nm,...

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BS EN ISO 5912:2020 pdf free

BS EN ISO 5912:2020 pdf free.Camping tents - Requirements and test methods. 6.1.1.3.1 General If the fabrics of camping tents are claimed to have flame retardant properties, they shall be tested when new and shall conform with the requirements in 6.1.1.3.2, 6.1.1.3.3 and 6.1.1.3.4. Where applied chemical finishes are used to produce the flame retardant properties, see Table 2, NOTE,...

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BS EN ISO 21904-2:2020 pdf free

BS EN ISO 21904-2:2020 pdf free.Health and safety in welding and allied processes - Equipment for capture and separation of welding fume. The method is based on the methods specified in EN 1093-6 and EN 1093-71>. Under test, the welding fume separation equipment is charged by welding fume generated by a welding process. The welding fume concentrations are measured in...

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BS EN ISO 11844-1:2020 pdf free

BS EN ISO 11844-1:2020 pdf free.Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres. The determination of corrosivity of indoor atmospheres is based on measurements of corrosion attack on standard specimens of five reference metals after an exposure for one year in accordance with ISO 11844-2. From the mass loss or mass increase, the indoor corrosivity...

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BS EN ISO 10704:2019 pdf free

BS EN ISO 10704:2019 pdf free.Water quality - Gross alpha and gross beta activity - Test method using thin source deposit. The gross alpha and gross beta activity of the deposit is measured by counting in an alpha- and beta-particle detector or counting system previously calibrated against alpha- and beta-emitting standards. In order to obtain a thin and homogeneous deposit...

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BS EN ISO 2553:2019 pdf free

BS EN ISO 2553:2019 pdf free.Welding and allied processes - Symbolic representation on drawings - Welded joints. 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...

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BS EN ISO 1833-17:2020 pdf free

BS EN ISO 1833-17:2020 pdf free.Textiles - Quantitative chemical analysis. 1 Scope This document specifies a method, using concentrated sulfuric acid, to determine the mass percentage of chlorofibres and certain other fibres, after removal of non-fibrous material, in textiles made of mixtures of 一cotton, viscose, cupro, modal, lyocell, acetate, triacetate, polyamide, polyester, elastomultiester, certain acrylic and certain modacrylic fibres with...

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BS EN 6056:2019 pdf free

BS EN 6056:2019 pdf free.Aerospace series - Rod-end with bearing per EN 4614 with self lubricating liner in corrosion resisting steel with external threaded shank - Dimensions and loads - Inch series. 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,...

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