混凝土外加剂中硫酸钠含量测定的不确定度评定  

Evaluation on the uncertainty in the determination of sodium sulfate content for the concrete admixtures

作　　者：王娜[1] 卢俊[1] 

机构地区：[1]国家水泥混凝土制品质量监督检验中心,江苏苏州215004

出　　处：《中国建材科技》2014年第4期3-3,18,共2页China Building Materials Science & Technology

摘　　要：通过对标准检测方法外加剂中硫酸钠含量检测过程的模型分析,检测结果的不确定度主要来源于仪器、检测环境条件、人员等。对外加剂硫酸钠含量测定的不确定度的各个分量进行了计算和评定,得出外加剂中硫酸钠含量检测的扩展不确定度。并分析实验过程的注意事项以提高实验的准确性。Through the model in detection methods to admixtures of sodium sulfate content analysis about the detection process, the uncertainty of test results were mainly from the instrument,detect environmental conditions, personnel,and so on..The various components of uncertainty to Sodium content determination were calculated and assessed, drawn expanded uncertainty of detection of Sodium sulfate content in admixtures.Precautions and analyzed during the experiment were in order to improve the accuracy of the experiment.

关 键 词：混凝土外加剂 硫酸钠含量测定 不确定度 

分 类 号：TU528[建筑科学—建筑技术科学]