Mathaweesansurn, Arjnarong

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Mathaweesansurn, Arjnarong
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arjnarong.ma@kmitl.ac.th

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    Item type:Publication,
    A design of colorimeter for chemical quantitative analysis based on a web-camera
    (2017-10-19)
    Phongern, Komsun
    ;
    Mathaweesansurn, Arjnarong
    ;
    Maneerat, Noppadol
    ;
    Chengchan, Nathawut
    This paper presents the design of colorimeter for chemical quantitative analysis based on image processing. It comprises of two main parts which are test box and software. The test box consists of a web camera and LED lamp plat which is used to illuminate a micro wells. The software is graphic user interface and image processing. The main of image processing are split RGB channel of each pit in micro wells so calculate calibration curves for finding and unknown concentric solution then show result on screen. The experiment shows the design in this paper can calculate concentric of the solution. The result of the experiment have a correlation of reaction between Fe (II) and Phenanthroline (Red product) 0.985, the reaction between Ethanol and Methyl orange (Yellow product) 0.933 and reaction between Uric acid and Phosphotungstic acid (Blue product) 0.986. Moreover it takes a less time and lower cast compared with the spectrophotometer. The device can be applied to chemical laboratory by possibility.