【摘要】 文章针对用银坩埚与氢氧化钠处理水泥生料、熟料、普通硅酸盐水泥试样制备试液的方法进而用氟硅酸钾容量法测定二氧化硅的研究。通过对以上三种不同标准样的测定,并将测定结果与标准样数据进行误差分析。总结出测定过程中的实验条件、操作要点及注意事项,如硝酸加入量、实验过程温度控制、氯化钾加入、沉淀过滤、洗涤、中和残余酸、氟硅酸钾水解等。更多还原

【Abstract】 The paper aimed at the study of silver crucible and sodium hydroxide treatment raw cement,ordinary portland cement clinker,sample preparation and determination of silica solution method with potassium fluosilicate volumetric method.Through the determination of the above three kinds of standard sample,and the measurement results and the standard sample data for error analysis.Summarize the experimental conditions,the determination process of operation and points for attention,such as nitric acid addition,experimental process temperature control,potassium chloride,sedimentation and filtration,washing,adding neutralizing residual acid,potassium fluosilicate hydrolysis.更多还原