BS EN 196-6-2010 水泥试验方法.细度测定

标准号：BS EN 196-6-2010
中文标准名称：水泥试验方法.细度测定
英文标准名称：Methods of testing cement - Determination of fineness
标准类型：Q11
发布日期：2010/4/30 12:00:00
实施日期：2010/4/30 12:00:00
中国标准分类号：Q11
国际标准分类号：91.100.10
适用范围：This European Standard describes three methods of determining the fineness of cement.The sieving method serves only to demonstrate the presence of coarse cement particles. This method isprimarily suited to checking and controlling the production process.The air-jet sieving method measures the retention on sieving and is suitable for particles which substantiallypass a 2,0 mm test sieve. It may be used to determine the particle size distribution of agglomerates of veryfine particles. This method may be used with test sieves in a range of aperture sizes, e.g. 63 μm and 90 μm.The air permeability method (Blaine) measures the specific surface (mass related surface) by comparison witha reference cement sample. The determination of the specific surface serves primarily to check theconsistency of the grinding process of one and the same plant. This method only enables a limitedassessment to be made of the properties of the cement in use.