University Chemistry ›› 2015, Vol. 30 ›› Issue (3): 38-42.doi: 10.3866/pku.DXHX2010338

• Chemistry Laboratory • Previous Articles     Next Articles

Improvements of Data Acquisition and Processing Program for BH-1S Combustion Heat Detector

Xu Yongqun1, Xu Tan2, Ye Fang1   

  1. 1. Department of Chemistry, Shaoguan College, Shaoguan 512005, Hunan, China;
    2. Department of Facilities, First People's Hospital of Shaoguan, Shaoguan 512000, Hunan, China
  • Published:2015-06-25

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Abstract:

The data acquisition and data processing program for BH-1S combustion heat detector is coded using VB6.0. The temperature difference-time curve is constructed with adaptive coordinates in the data collection process, to provide the suitable scale and resolution for students to carry out the experiment according to the curve. The inflection points of the temperature difference-time curve are labeled with point numbers of the data for easy the visual judgment, which helps students with identifying inflection points according to the matching level between the fitting line and the experimental data points. These improvements simplify the experimental operations and data processing, as well as increase the efficiency of experiments and the accuracy of the determination results, making the instrument full of modernization level.

Key words: Combustion heat, Experimental improvement, Data acquisition, Data processing