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This standard BS ISO 29581-2:2010 Cement. Test methods is classified in these ICS categories:. 91.100.10 Cement. Gypsum. Lime. Mortar. This part of ISO 29581 describes a performance-based method for the chemical analysis of cement for SiO. 2. , Al. 2. O. 3. , Fe. 2. O. 3. , CaO, MgO, SO. 3. , K. 2. O, Na. 2. O, TiO. 2. , P. 2. O. 5. , Mn. 2. O. 3. , SrO, Cl and Br using X-ray fluorescence (XRF). It can be applied to other relevant elements when adequate calibrations have been established. This part of ISO 29581 describes an alternative method for analyses of cement for conformity and information purposes, based on beads of fused sample and analytical validation using certified reference materials, together with performance criteria. A method based on pressed pellets of unfused sample can be considered as equivalent, providing that the analytical performance satisfies the same criteria. NOTE 1 The use of fused beads generally improves the accuracy of analysis for non-volatile elements, since it eliminates variability arising from differences in mineralogical forms or oxidation states. Pressed pellets generally improve the accuracy of analysis for volatile elements and can give adequ

Who reads Cement : test methods. Part 2, Chemical analysis by X-ray fluorescence?

Author

British Standards Institute Staff

Publisher

BSI British Standards Institution

Published

2010

Language

EN

ISBN

9780580589591

Category

reference