Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method
A traceable method is presented, to study the purities of certified reference material of 1,2,3,4-tetrachlorobenzene with the assessment of uncertainties. The purities of 1,2,3,4-tetrachlorobenzene were determined by the mass balance method. The qualitative analysis of main non-volatile impurities w...
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| Format: | Article |
| Language: | English |
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Science Press, PR China
2013-03-01
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| Series: | Yankuang ceshi |
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| Online Access: | http://www.ykcs.ac.cn/en/article/id/3cb511c2-e102-49a6-8ab8-5366ffa72321 |
| _version_ | 1828037317076451328 |
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| author | MA Kang YANG Ran WANG Hai-feng HE Ya-juan LIU Fei |
| author_facet | MA Kang YANG Ran WANG Hai-feng HE Ya-juan LIU Fei |
| author_sort | MA Kang |
| collection | DOAJ |
| description | A traceable method is presented, to study the purities of certified reference material of 1,2,3,4-tetrachlorobenzene with the assessment of uncertainties. The purities of 1,2,3,4-tetrachlorobenzene were determined by the mass balance method. The qualitative analysis of main non-volatile impurities was identified as 1,2,3,5-tetrachlorobenzene with Gas Chromatography-Mass Spectrometry (GC-MS) and standard addition. The quantitative analysis for the impurities was measured by Gas Chromatography-Flame Ionization Detector (GC-FID). The content of water and ash in 1,2,3,4-tetrachlorobenzene were respectively measured by Karl-Fischer titrator and ignited at 900℃ in a muffler roaster. The residuals of solvent were confirmed as ethyl ether by Headspace Gas Chromatography-Mass Spectrometry. The certified result with the mass balance method was 98.79% and the expanded uncertainty was 0.20% (k=2). The good homogeneity result in the 95% confidence interval was validated by F-test and t-test statistical methods with samples from 500 different bottles. The stability inspection was carried out on short-term (one month) and long-term (12 months) tests, and the results indicate that the stability period for 1,2,3,4-tetrachlorobenzene of storage is no less than 12 months at 20℃. |
| first_indexed | 2024-04-10T16:09:41Z |
| format | Article |
| id | doaj.art-cfd552476dd3412a9fb9f5dbe174b8cd |
| institution | Directory Open Access Journal |
| issn | 0254-5357 |
| language | English |
| last_indexed | 2024-04-10T16:09:41Z |
| publishDate | 2013-03-01 |
| publisher | Science Press, PR China |
| record_format | Article |
| series | Yankuang ceshi |
| spelling | doaj.art-cfd552476dd3412a9fb9f5dbe174b8cd2023-02-10T01:48:25ZengScience Press, PR ChinaYankuang ceshi0254-53572013-03-01322334339ykcs-32-2-334Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance MethodMA Kang0YANG Ran1WANG Hai-feng2HE Ya-juan3LIU Fei4Division of Chemical Metrology and Analytical Science, National Institute of Metrology of China，Beijing 100013， ChinaDepartment of Water Resource and Environment, China University of Geosciences (Beijing)，Beijing 100083, ChinaDivision of Chemical Metrology and Analytical Science, National Institute of Metrology of China，Beijing 100013， ChinaDivision of Chemical Metrology and Analytical Science, National Institute of Metrology of China，Beijing 100013， ChinaDepartment of Water Resource and Environment, China University of Geosciences (Beijing)，Beijing 100083, ChinaA traceable method is presented, to study the purities of certified reference material of 1,2,3,4-tetrachlorobenzene with the assessment of uncertainties. The purities of 1,2,3,4-tetrachlorobenzene were determined by the mass balance method. The qualitative analysis of main non-volatile impurities was identified as 1,2,3,5-tetrachlorobenzene with Gas Chromatography-Mass Spectrometry (GC-MS) and standard addition. The quantitative analysis for the impurities was measured by Gas Chromatography-Flame Ionization Detector (GC-FID). The content of water and ash in 1,2,3,4-tetrachlorobenzene were respectively measured by Karl-Fischer titrator and ignited at 900℃ in a muffler roaster. The residuals of solvent were confirmed as ethyl ether by Headspace Gas Chromatography-Mass Spectrometry. The certified result with the mass balance method was 98.79% and the expanded uncertainty was 0.20% (k=2). The good homogeneity result in the 95% confidence interval was validated by F-test and t-test statistical methods with samples from 500 different bottles. The stability inspection was carried out on short-term (one month) and long-term (12 months) tests, and the results indicate that the stability period for 1,2,3,4-tetrachlorobenzene of storage is no less than 12 months at 20℃.http://www.ykcs.ac.cn/en/article/id/3cb511c2-e102-49a6-8ab8-5366ffa72321mass balance method1,2,3,4-tetrachlorobenzenecertified reference materialspurity analysisuncertainty evalution |
| spellingShingle | MA Kang YANG Ran WANG Hai-feng HE Ya-juan LIU Fei Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method Yankuang ceshi mass balance method 1,2,3,4-tetrachlorobenzene certified reference materials purity analysis uncertainty evalution |
| title | Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method |
| title_full | Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method |
| title_fullStr | Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method |
| title_full_unstemmed | Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method |
| title_short | Analysis of Purity and Uncertainty for 1, 2, 3, 4-Tetrachlorobenzene with the Mass Balance Method |
| title_sort | analysis of purity and uncertainty for 1 2 3 4 tetrachlorobenzene with the mass balance method |
| topic | mass balance method 1,2,3,4-tetrachlorobenzene certified reference materials purity analysis uncertainty evalution |
| url | http://www.ykcs.ac.cn/en/article/id/3cb511c2-e102-49a6-8ab8-5366ffa72321 |
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