摘要
开展了氦中氖气体标准物质的制备技术研究,并进行了均匀性、稳定性考察及不确定度评定。结果表明研制的气体标准物质量值准确可靠,达到了国家二级气体标准物质的要求。氦中氖浓度为0.05%-20%（mol/mol）,扩展不确定度为1.5%（k=2）。
The preparation of the gas reference material of neon in helium was discussed in the paper. And the uniformity,stability and uncertainty of the gas reference material were also analyzed in the paper. The results showed that the value was accurate and reliable,and reached the secondary national reference material. The concentration range was 0. 05%-0. 20%（ mol / mol） and the uncertainty was 1. 5%（ k = 2）.
出处
《低温与特气》
CAS
2015年第4期32-36,共5页
Low Temperature and Specialty Gases
关键词
氦中氖
标准物质
称量法
均匀性
稳定性
neon in helium
reference material
weighing method
uniformity
stability
