Novel alcohol degree detection method and apparatus
A detection device and technology of alcohol content, which is applied in the direction of material analysis by observing the influence of chemical indicators, and analysis by making materials undergo chemical reactions, etc., which can solve the problems of difficult real-time monitoring, heavy equipment, and failure to consider the influence of temperature and humidity and other issues to achieve the effect of ensuring authenticity, easy operation and good softness
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Embodiment 1
[0037] Embodiment 1: A kind of novel alcohol degree detection device
[0038] like figure 1 As shown, a detection device for alcohol content in a solid-state fermentation process includes a host computer 1, a 3CCD camera 2, an LED integrating sphere light source 3, a base 5, a gas reaction chamber 8, an air inlet 9, an air outlet 4, a vacuum pump 10, A gas collection probe 11 and a temperature sensor 13 with a characteristic filter screen 14.
[0039] The host computer 1 is connected to the 3CCD camera 2, and the 3CCD camera 2 is installed on the top of the LED integrating sphere light source 3, which is used to obtain the red (R), green (G) and blue (B) components of the front and rear sensors. The image of the LED integrating sphere light source 3 is installed on the base 5, wherein the top cover of the LED integrating sphere light source 3 is made of optically transparent glass;
[0040] The base 5 is installed above the gas reaction chamber 8, and an air inlet 9 and an ...
Embodiment 2
[0047] Embodiment 2: liquid alcohol content detection method based on color sensitive material
[0048] For the alcohol content test of multi-component gases in solid-state fermentation, a sensor array composed of multiple color-sensitive materials is used to establish a model in combination with multivariate analysis to detect the alcohol content of volatile gases.
[0049] For the test of the alcohol content of liquids with very little content of other components, the color change of the TPPMncl color sensitive material in the sensor can be used directly to test the alcohol content.
[0050] The change in color-sensitive materials reacting to different concentrations of alcohol was related by a multiple regression model with the formula:
[0051]
[0052] In the formula, Y is the alcohol content, X R is the color change of the R channel image before and after the reaction between the color-sensitive material and the gas to be detected, X G The color change of the ima...
Embodiment 3
[0057] Embodiment 3: Solid-state alcohol detection based on color sensitive material
[0058] (1) The samples in this example come from vinegar fermented grains at different fermentation stages in Zhenjiang Hengshun acetic acid fermentation workshop, a total of 60 samples.
[0059] (2) GC-MS was used to detect the ethanol content of different samples.
[0060] (3) Production of color-sensitive sensors; TPPMn, TPPZn, OEPMnCl, TripMn, TPPMnF, TPPMnOCH 3 Six kinds of porphyrin compounds were dissolved in chloroform solvent, the concentration was 1mg / mL, two acid-base indicators, neutral red and bromocresol green, were dissolved in ethanol, the concentration was 1mg / mL, passed Micro-spotting capillary tubes are printed and dyed on polyvinylidene fluoride (PVDF) membranes to make color-sensitive material sensor arrays;
[0061] (4) Place the prepared gas sensor array in the reaction chamber, and the 3CCD camera (RGB three-color) acquires the image of the sensor before the reactio...
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