本欧洲标准规定了水泥化学分析方法。 本文档描述了参考方法，在某些情况下，可以认为是等效的替代方法。在出现争议的情况下，仅使用参考方法。 对于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和Br，描述了使用X射线荧光（XRF）的替代的基于性能的方法。当根据指定的程序和参考资料进行正确校准时，它提供了与参考方法相同的方法，但尚未经过验证，作为符合性和争议目的的参考程序。当建立足够的校准时，它可以应用于其他相关元件。该方法基于融合样品的珠子和使用经认证的参考材料的分析验证，以及性能标准。基于未熔融样品的压丸的方法可以被认为是等效的，只要分析性能满足相同的标准。 可以使用任何其他方法，只要它们根据参考方法或针对国际公认的参考材料进行校准，以证明其等同性。 这个文件

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.