| 不同纬度大气中氯甲烷浓度的研究 |
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| 引用本文： | 孙国忠,余琦,陈立民,李院生.不同纬度大气中氯甲烷浓度的研究[J].复旦学报(自然科学版),2002,41(4):374-377. |
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| 作者姓名： | 孙国忠 余琦 陈立民 李院生 |
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| 作者单位： | 1. 复旦大学环境科学与工程系,上海,200433
2. 中国极地研究所,上海,200219 |
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| 摘 要： | 氯甲烷在大气中的浓度较低，仅为10^-12级别，用GC－ECD的方法对不同纬度氯甲烷浓度的分析研究表明，大气中氯甲烷的全球浓度表现出从赤道向两级递减的趋势，这种趋势的解释：赤道附近的排放是主要原因。
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| 关 键 词： | 氯甲烷 气相色谱 ECD |
Determination of the Global Concentrations of Methyl Chloride in the Atmosphere in Different Latitude |
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| Abstract.Determination of the Global Concentrations of Methyl Chloride in the Atmosphere in Different Latitude[J].Journal of Fudan University(Natural Science),2002,41(4):374-377. |
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| Authors: | Abstract |
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| Abstract: | The atmospheric concentration of methyl chloride (CH3Cl) is very low,only at 10-12 (V/V) level. GC-ECD method was used to analyze the concentration of methyl chloride in atmospheric samples collected from different latitude. The experimental results show that the atmospheric concentrations of methyl chloride show a tendency to decrease towards the poles. Emissions from tropics of methyl chloride are thought to be the main reason for this pattern. |
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| Keywords: | methyl chloride gas chromatograph ECD |
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