| 气相色谱SnO_2/SnCl_2半导体检测器的研制 |
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| 引用本文： | 侯近龙,张维冰,李国桐. 气相色谱SnO_2/SnCl_2半导体检测器的研制[J]. 色谱, 1997, 15(2): 161-163 |
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| 作者姓名： | 侯近龙 张维冰 李国桐 |
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| 作者单位： | 齐齐哈尔轻工学院化工系!齐齐哈尔，161006，齐齐哈尔轻工学院化工系!齐齐哈尔，161006，齐齐哈尔轻工学院化工系!齐齐哈尔，161006 |
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| 摘 要： | 对SnO2／SnCl2半导体气敏元件的制作及其用于气相色谱检测的最佳条件、响应灵敏性、检测范围等方面予以讨论。
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| 关 键 词： | SnO_2／SnCl_2气敏元件 检测器 气相色谱法 |
The Development of a New Type of SnO_2/SnCl_2 Semiconductor as Detector in Gas Chromatography |
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| Hou Jinlong,Zhang Weibing and Li Guotong. The Development of a New Type of SnO_2/SnCl_2 Semiconductor as Detector in Gas Chromatography[J]. Chinese journal of chromatography, 1997, 15(2): 161-163 |
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| Authors: | Hou Jinlong Zhang Weibing Li Guotong |
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| Affiliation: | Qiqihar Light Industry Institute, Qiqihar, 161006. |
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| Abstract: | A new type of SnO2/SnCl2 semiconductor as detector in gas chromatography has been developed. The sensing crystalloid with SnO2 as main block has an outstanding sensitivity to the reducing gases in a certain oxidative circumstance. The reducing gases can be reversibly adsorbed on the surface of crystal and make the resistance of the sensing element changed. Therefore, this type of sensing element may be used as detector in GC. We studied and prepared such sensing element with SnCl2 as catalyst to improve the sensitivity. An optimum procedurefor preparation has been received. We also discussed the possibilily as the gas-sensing element to replace the flame ionization detector in GC. The results showed that at the condition of 300 degrees C, the sensitivity, stability, detectability and linear range were satisfactory. This new type of detector can meet the needs of practical sample analysis. |
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| Keywords: | gas chromatography detector SnO_2/SnCl_2 gas-sensing element |
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