介绍了氮气中6种氯代烷烃混合标准气体的制备和定值方法.标准气体的组分是二氯甲烷、三氯甲烷、1,1-二氯乙烷、1,2-二氯乙烷、1,1,1-三氯乙烷和1,1,2-三氯乙烷,标准值为5 μmol/mol.考察了标准气体的制备重现性、均匀性和稳定性.结果表明,标准气体在气瓶内均匀性良好,扩展相对不确定度为5%,使用有效期为一年.经与国外的同类标准气体比对,量值有较好的一致性.氮气中6种氯代烷烃混合标准气体的研制为挥发性氯代烷烃的检测提供了计量标准.
参考文献
| [1] | Schmidt W P,Rook H L.Anal Chem,1983,55:290 |
| [2] | Schic B,Risse U,Kettrup A.J Anal Chem,1999,364:709 |
| [3] | Rhoderick G C.J Anal Chem,1997,359:477 |
| [4] | Rhoderick G C,Zlellnski W L.Environ Sci Technol,1993,27(13):2849 |
| [5] | Rhoderick G C,Miller W R.J Chromatogr,1993,653:71 |
| [6] | Rhoderick G C,Yen J H.Anal Chem,2006,78:3125 |
| [7] | Wu Z H,Peng H J,Tian W,et al.Low Temperature and Specialty Gases (吴忠祥,彭洪俊,田文,等.低温与特气),2001,19(4):29 |
| [8] | Hu S G,Han Q,Jin M L,et al.Chemical Analysis and Meterage (胡树国,韩桥,金美兰,等.化学分析计量),2007,16(3):11 |
| [9] | GB/T 5274-2008 |
| [10] | ISO GUIDE 35:Reference Materials:General and Statistical Principles for Certification.(2006-01-01).http://engineers.ihs.com/document/abstract/OGFVIBAAAAAAAAAA |
| [11] | GB/T 15000.3-2008 |
| [12] | ISO 6143:Gas Analysis:Comparison Methods for Determining and Checking the Composition of Calibration Gas Mixtures.(2001-05-01).http://engineers.ihs.com/document/abstract/ZJPTPAAAAAAAAAAA |
| [13] | Rhoderick G C.Anal Bioanal Chem,2007,387:2425 |
| [14] | Li C Y,Han Q,Zhang G F,et al.Low Temperature and Specialty Gases (李春瑛,韩桥,章恭菲,等.低温与特气),2007,25(2):23 |
| [15] | Li C Y,Han Q,Zhang G F,et al.Low Temperature and Specialty Gases (李春瑛,韩桥,章恭菲,等.低温与特气),2007,25(3):26 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%