| GC-AAS联用接口的温度控制系统设计 |
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| 引用本文： | 刘宇霞,杨秀增.GC-AAS联用接口的温度控制系统设计[J].现代仪器,2009,15(5):61-63. |
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| 作者姓名： | 刘宇霞 杨秀增 |
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| 作者单位： | 广西民族师范学院物理与信息技术系,崇左,532200 |
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| 基金项目： | 广西环境工程与保护评价重点实验室研究基金资助.项目号:桂科能0703Z030,广西壮族自治区教育厅科研项目 |
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| 摘 要： | 采用聚四氟乙烯管作转接材料实现气相色谱仪毛细管柱与石墨炉原子吸收光谱仪检测器的连接。设计"AT89C2051+D S18B20"嵌入式温度测量与控制系统有效地控制聚四氟乙烯管连接段的温度,使其保持在120℃左右,给出嵌入式温度控制系统硬、软件的设计方法。对联用仪器的其它部分也进行优化处理。所设计联用仪器可用于有机汞形态分析。
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| 关 键 词： | 嵌入式温控系统 气相色谱 原子吸收 联用设计 |
Study of gas chromatography combined with graphite furnace atomic absorption spectrometry based on embedded temperature control system |
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| Liu Yuxia,Yang Xiuzeng.Study of gas chromatography combined with graphite furnace atomic absorption spectrometry based on embedded temperature control system[J].Modern Instruments,2009,15(5):61-63. |
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| Authors: | Liu Yuxia Yang Xiuzeng |
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| Abstract: | PTFE tube was used as transferring line of capillary column gas chromatograph with graphite fur- nace atomic absorption spectrometer.To keep the temperature of PTFE tube at about 120℃,"AT89C2051 + DS 18B20" embedded temperature measurement and control systems was designed.Hardware and software of the embedded system was also given.Other Connections of these two instruments have also been optimized.The two joined apparatus can be used for organic mercury speciation analysis. |
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| Keywords: | Embedded temperature control system Gas chromatograph Atomic absorption spectrometer Conjunction |
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