| 平行双样对天然气中硫化物采样的质量控制 |
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| 引用本文： | 于晓丽.平行双样对天然气中硫化物采样的质量控制[J].油气田环境保护,1998,8(2):26-28. |
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| 作者姓名： | 于晓丽 |
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| 作者单位： | 中国石油天然气总公司环境监测总站 |
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| 摘 要： | 为了研究平行双样对天然气中硫化物采样质量控制措施的可靠性，对现场采集的８对硫化物平行样用对氨基二甲基苯胺光度法进行测定。对测定结果及相对偏差进行Ｗ（Ｓｈａｐｉｒｏ－Ｗｉｌｋ）检验，检验结果说明平行双样相对偏差服从正态分布，数据的一致性较好，说明用平行双样对采样进行质量控制是可行的。文中还用Ｇｒｕｂｂｓ检验法计算出在该实验条件下测定天然气中硫化物平行双样的相对偏差质量控制范围为１．９３％±１２．５％。
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| 关 键 词： | 含硫化合物 环境监测 大气监测 误差分析 |
The quality control of parallel double samples to the sulfide sampling in natural gas |
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| Yu Xiaoli.The quality control of parallel double samples to the sulfide sampling in natural gas[J].Environmental Protection of Oil & Gas Fields,1998,8(2):26-28. |
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| Authors: | Yu Xiaoli |
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| Abstract: | Eight couples of sulfide parallel samples collected in the field had been determined by amino-aniline photometry to study the quality control measure reliability of parallel double samples gathered in natural gas.The results and their relative deviations determined by W(Shapiro-Wilk) method demonstrated that the parallel double samples'relative deviations submitted to normal school and the data coherence was good,which showed that the quality control method of parallel double sampling to samples is feasible.This paper also calculated out by Grobb's examining method the quality control range being 1.93% ± 12.5%when determining sulfide parallel samples in natural gas under experimental condition. |
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| Keywords: | sulfur compound environmental monitoring atmospheric monitoring error analysis |
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