| 油田水中甲酸和乙酸的低压离子色谱检测 |
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| 引用本文： | 刘明华,詹怀宇,张新申,蒋晓萍. 油田水中甲酸和乙酸的低压离子色谱检测[J]. 华南理工大学学报(自然科学版), 2001, 29(8): 21-24 |
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| 作者姓名： | 刘明华 詹怀宇 张新申 蒋晓萍 |
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| 作者单位： | 华南理工大学;四川大学皮革系, |
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| 摘 要： | 为避免油田水中大量的氯离子对甲酸和乙酸测定的干扰,采用减压蒸馏的新方法来处理待测试样,不仅消除了氯离子的干扰,而且回收率较高,在95．0％－97．5％之间,用低压离子色谱法（LPIC）分析试样并进行了线性、精密度、回收率和干扰试验,结果表明方法的回收率在96．0％－100％之间,相关系数分别为0．9998和0．9989,变异系数小于1．8％,检测限小于0．1μg/mL。
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| 关 键 词： | 低压离子色谱 甲酸 乙酸 减压蒸馏 |
| 文章编号： | 1000-565(2001)08-0021-04 |
| 修稿时间： | 2000-10-18 |
Determination of Formic and Acetic Acids in Oil-Field Water by Low-Pressure Ion Chromatography |
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| Liu Ming-hua,ZHAN Huai-yu,ZHANG Xin-shen,Jiang Xiao-pi. Determination of Formic and Acetic Acids in Oil-Field Water by Low-Pressure Ion Chromatography[J]. Journal of South China University of Technology(Natural Science Edition), 2001, 29(8): 21-24 |
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| Authors: | Liu Ming-hua ZHAN Huai-yu ZHANG Xin-shen Jiang Xiao-pi |
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| Abstract: | A large amount of chlorides significantly interfere with the determination of formic and acetic acids. A new method of decompression distillation is put forward in this paper to prepare the analysed samples. This method not only has good recovery within the range of 95.0%～97.5%, but also can remove the interference of chlorions. Then the samples are analyzed by low_pressure ion chromatography (LPIC). The results show that the recovery is within the range of 96.0%～100%, the correlation coefficients are 0.999 8 and 0.998 9, respectively, and the variation coefficient is not more than 1.8% and the detection limits less than 0.1 μg/mL. |
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| Keywords: | low_pressure ion chromatography formic acid acetic acid decompression distillation |
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