BS EN ISO 20863 pdf download
BS EN ISO 20863 pdf download Footwear — Test method for stiffeners and toepuffs — Bondability 1Scope This document specifies a method for the determination of the bondability of heat activated and solventactivated stiffeners and toepuffs to upper and lining materials. 2Normative references The following referenced documents are indispensable for the application of this document. For datedreferences,only the edition cited...
BS EN ISO 21530 pdf download
BS EN ISO 21530 pdf download Dentistry — Materials used for dental equipment surfaces — Determination of resistance to chemical disinfectants This International Standard specifies test methods for determining the resistance to chemical disinfectants of allmaterials used for external surfaces of dental equipment intended for such disinfection. Three test methods are specified: an immersion test, a spray test and a...
BS EN ISO 23161 pdf download
BS EN ISO 23161 pdf download Soil quality — Determination of selected organotin compounds — Gas- chromatographic method 5.5 Clean-up 5.5.1 General requirements A silica or aluminium oxide clean-up is the minimum requirement. Further clean-up steps (aluminium oxide/silver nitrate, silica/silver nitrate, pyrogenic copper) may be applied if necessary (see Annex B). A recovery of > 80 % of the internal...
BS EN ISO 23429 pdf download
BS EN ISO 23429 pdf download Gauging of hexagon sockets 1 Scope This International Standard specifies gauges for hexagon sockets with tolerances as specified in ISO 4759-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document...
BS EN ISO 23470 pdf download
BS EN ISO 23470 pdf download Soil quality — Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution This International Standard specifies a method for the getermination of the cation exchange capacity (CEC)and the content of exchangeable cations (Ai3*+， ca 2*, Fe2*，K+，Mg”*，Mn2*，Na+)in soils using ahexamminecobalt trichloride solution as extractant. NOTE As the pH of...
BS EN ISO 24450 pdf download
BS EN ISO 24450 pdf download Laboratory glassware — Wide-necked boiling flasks This International Standard specifies requirements and dimensions for an internationally acceptable series ofconical flasks and of flat-bottom and round-bottom flasks with wide neck for general laboratory purpose. Theflasks are provided for – direct use in laboratory , fitting together with other equipment for general laboratory purposes;- further work...
BS EN ISO 25378 pdf download
BS EN ISO 25378 pdf download Geometrical product specifications (GPS) — Characteristics and conditions — Definitions This International Standard defines general terms for geometrical specifications, characteristics and conditions.These definitions are based on concepts developed in ISO 17450-1 and ISO 22432 and they are given byusing a mathematical description based on Annex’B of lSO 17450-1:2011. This International Standard is not intended...
BS EN ISO 28763 pdf download
BS EN ISO 28763 pdf download Vitreous and porcelain enamels — Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers — Specifications 5.6Thermal-shock resistance lf required by the enameller, the thermal-shock resistance shall be determined in accordance withAnnex A at a test temperature of 350 C on at least three test specimens prepared in accordancewith ISo 28764. After...
BS ISO 10086-2 pdf download
BS ISO 10086-2 pdf download Coal — Methods for evaluating flocculants for use in coal preparation — Part 2: Flocculants as filter aids in rotary vacuum filtration systems 1 Scope This part of lSO 10086 specifies a method for the comparative evaluation of the performance of flocculantsused as filter aids for rotary vacuum filtration applications on a given slurry. Normative...
BS ISO 10110-10 pdf download
BS ISO 10110-10 pdf download Optics and photonics — Preparation of drawings for optical elements and systems — Part 10: Table representing data of optical elements and cemented assemblies 1Scope IS0 10110 specifies the presentation of design and functional requirements for optical elements and systemsin technical drawings used for manufacturing and inspection. This part of lSO 10110 specifies a format...