摘要
介绍了与重量法相比,动态配气法的优点,以及动态法配气的原理、装置和制备过程,分析了动态配气法制备的气体标准物质量值的不确定度的来源及其相对标准合成不确定度的计算。
In comparison with gravimetric method,dynamic volumetric method advantage,dynamic volumetric method preparing principle,preparing equipment,preparing process are introducedThe source of the certification uncertainty of dynamic volumetric method preparing calibration gas is analyzed,and the calculation of the related combined standard uncertainty.
出处
《低温与特气》
CAS
2003年第3期23-26,共4页
Low Temperature and Specialty Gases
关键词
动态配气法
制备
气体标准物质
扩散管
不确定度
dynamic volumetric method
preparation
calibration gas
,diffusion tube
uncertainty
