作者：夏广济, 刘富强, 卜林刚

作者单位：陕西省水生动物防疫中心, 陕西渭南 714000

关键词：气相色谱; 正交实验; 最佳条件; 统计分析

摘要：

气相色谱测试时的仪器参数较多,有载气、氢气、空气的流量以及柱温、进样温度、检测器温度、负高压等因素,这些因素均能影响色谱峰的出峰时间、峰的高度、峰面积等。运用正交实验方法,通过很少的几次实验,经过统计分析,可以从中找到较为理想的实验参数,得到理想的图谱及测试结果。实验表明,该方法操作简单,效果明显,具有很好的实用价值。

Finding ideal experimental parameters of gas chromatography through or thogonal experiments

XIA Guang-ji, LIU Fu-qiang, PU Lin-gang

Shanxi Aquatic Animal Quarantine Center, Weinan 714000, China

Abstract: The gas chromatography analysis has many different apparatus parameters. Such as carrier gas, hydrogen, air flow and retention, sample temperature, detector temperature, high pressure and negative factors, which could affect the chromatographic peak of peak time, peak height and peak area. Using orthogonal approach experiments, through several experiments, using statistical analysis, ideal experimental parameters, desired pattern and the test results could be found. The results show that the method has advantages of simply operating, evident effect and good practicality.

Keywords: Gas chromatography; Orthogonal experiment; Ideal experimental parameters; Statistical analysis

2008, 34(4): 96-98  收稿日期: 2007-11-28;收到修改稿日期: 2008-2-3

基金项目: 

作者简介: 夏广济(1964-),男,陕西大荔人,高级工程师,主要从事水质及水产品质量检验工作。

参考文献

[1] GB/T13192-1991, 水质有机磷农药的测定气相色谱法[S]. 北京:中国标准出版社, 1991.
[2] 朱明华.仪器分析[M].3版.北京:高等教育出版社, 2000.
[3] 张艳.枸祀中有机磷和氨基甲酸醋类农药残留量的测定[J].西北农业学报, 2005, 14(2):84-86.
[4] 苏晓燕.毛细管气相色谱法测定水中有机磷[J].干旱环境监测, 2005, 19(1):58-61.
[5] 李菁.气相色谱仪检测器的灵敏度和检测限测量结果不确定度的评定[J].化学计量分析, 2004, 13(6):26-28.