NS-EN 196-2:2013

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Status: Check Published
Norwegian title: Sementprøving — Del 2: Kjemisk analyse av sement
English title: Method of testing cement — Part 2: Chemical analysis of cement
Item type: Standard
Language: Engelsk
Edition: 2013-06 (2013-09-01)
Supersedes: NS 3093:1970 Alert Withdrawn
NS 3094:1970 Alert Withdrawn
NS-EN 196-2:2005 Alert Withdrawn
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NOK 955,00 (excl. VAT)
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Included in: NS ICS 91 - Bygningsmaterialer og bygging
NS ICS 91.100
NS ICS 91.100.10
Scope: This European Standard specifies the methods for the chemical analysis of cement. This document describes the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used. An alternative performance-based method using X-ray fluorescence (XRF) is described for SiO2, Al2O3, Fe2O3, CaO, MgO, SO3, K2O, Na2O, TiO2, P2O5, Mn2O3, SrO, Cl and Br. When correctly calibrated according to the specified procedures and reference materials, it provides a method equivalent to the reference methods but has not been validated for use yet as a reference procedure for conformity and dispute purposes. It can be applied to other relevant elements when adequate calibrations have been established. This method is based on beads of fused sample and analytical validation using certified reference materials, together with performance criteria. A method based on pressed pellets of un-fused sample can be considered as equivalent, providing that the analytical performance satisfies the same criteria. Any other methods may be used provided they are calibrated, either against the reference methods or against internationally accepted reference materials, in order to demonstrate their equivalence. This document describes methods which apply principally to cements, but which can also be applied to their constituent materials. They can also be applied to other materials, the standards for which call up these methods. Standard specifications state which methods are to be used.
Committee: SN/K 007
Adopted: 2013-09-01
ICS: 91.100.10 - Sement. Gips. Kalk. Mørtel