| 基于LabVIEW 8.0的pH电位滴定虚拟仪器 |
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| 引用本文： | 孟虎,李将渊,汤永怀,郭德鹏.基于LabVIEW 8.0的pH电位滴定虚拟仪器[J].分析科学学报,2009,25(6). |
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| 作者姓名： | 孟虎 李将渊 汤永怀 郭德鹏 |
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| 作者单位： | 化学应用与污染控制技术重点实验室,西华师范大学化学化工学院,四川南充,637002 |
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| 摘 要： | 运用离子选择性电极、调理电路、DAQ卡和计算机,构建了基于LabVIEW 8.0的电位滴定虚拟仪器,实现了电位滴定实验数据的自动记录和自动处理.将该虚拟仪器应用到乙酸等的电位滴定实验表明,实验结果相对标准偏差小于0.65%,提高了实验结果的重现性和准确性;且虚拟仪器界面友好、操作简便、实时绘出滴定曲线,自动处理数据及即时得到结果.
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| 关 键 词： | 虚拟仪器 电位滴定 |
A Virtual Instrument of pH Potentiometric Titration Based on LabVIEW 8.0 |
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| MENG Hu,LI Jiang-yuan,TANG Yong-huai,GUO De-peng.A Virtual Instrument of pH Potentiometric Titration Based on LabVIEW 8.0[J].Journal of Analytical Science,2009,25(6). |
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| Authors: | MENG Hu LI Jiang-yuan TANG Yong-huai GUO De-peng |
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| Institution: | MENG Hu,LI Jiang-yuan*,TANG Yong-huai,GUO De-peng(Laboratory of Applied Chemistry and Pollution Control Technology,College of Chemistry andChemical Engineering,China West Normal University,Nanchong 637002) |
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| Abstract: | A virtual instrument of pH potentiometric titration based on LabVIEW 8.0 was constructed by ion selective electrode,homemade adjusting circuit,data acquiring board and computer.And the automatically recording and processing of potentiometric titration experimental data were realized.The virtual instrument was applied to the test of potentiometric titration of acetic acid,and the RSD of test was less than 0.35%.The virtual instrument improves the repeatability and accuracy of testing results,and has the adva... |
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| Keywords: | LabVIEW pH Virtual instrument LabVIEW Potentiometric titration pH |
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