摘要
根据JJF 1059.1-2012和JJG 1135-2017对热重分析仪(TGA)检定/校准过程中的测量不确定度进行了评定。结果表明:TGA检定/校准过程中带有差示扫描量热仪的TGA温度示值误差的扩展不确定度为0.70℃(k=2),单纯TGA温度示值误差的扩展不确定度为1.80℃(k=2),质量示值误差的扩展不确定度为12μg(k=2)。
According to JJF 1059.1-2012 and JJG 1135-2017,the measurement uncertainty in the verification/calibration process of thermogravimetric analyzer(TGA)were evaluated.The results show that the expanded uncertainty of temperature indication error of TGA with differential scanning calorimeter during TGA verification/calibration process was 0.70 ℃ (k=2).The expanded uncertainty of temperature indication error of TGA was 1.80℃ (k=2).The expanded uncertainty of mass indication error was 12μg(k=2).
作者
王倩倩
周燕萍
刘运传
王雪蓉
姚凯
段剑
WANG Qianqian;ZHOU Yanping;LIU Yunchuan;WANG Xuerong;YAO Kai;DUAN Jian(The First-rank Chemistry Metrology Institute of National Defense Science f Technology Industry,Shandong Institute of Nonmetallic Materials,Jinan 250031,China)
出处
《理化检验（物理分册）》
CAS
2020年第2期25-27,共3页
Physical Testing and Chemical Analysis(Part A:Physical Testing)
关键词
热重分析仪
检定
校准
不确定度
标准物质
thermogravimetric analyzer
verification
calibration
uncertainty
reference material
作者简介
王倩倩(1987-),女,工程师,主要从事非金属材料的理化检验与计量工作,wangqq53@126.com
