据介绍,本次抽查的141家生产企业(200批次)包括大型企业13家(19批次)、中型企业33家(56批次)、小型企业95家(125批次),大、中、小型企业占被抽查企业总数的比例分别为9.2%、23.4%、67.4%。
在本次抽查中,依据GB175-2007《通用硅酸盐水泥》、GB/T2015-2005《白色硅酸盐水泥》及GB6566-2010《建筑材料放射性核素限量》及CCGF404-2015《水泥产品质量监督抽查实施规范》以及经备案现行有效的企业标准货产品明示质量要求,对水泥的三氧化硫、氧化镁、烧失量、不溶物、氯离子、凝结时间、安定性、强度、白度(白水泥)、细度(白水泥)和放射性核素限量11个项目进行检测。
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