Spectrophotometer for batch detection, and detection method thereof

Abstract

The invention discloses a spectrophotometer for batch detection, and a detection method thereof, and belongs to the field of detection equipment. The spectrophotometer comprises light path systems, wherein the plurality of light path systems which are arranged in a straight line are respectively provided with a conveying belt and a bench, a plurality of cuvettes are arranged on the conveying beltand the bench at equal intervals by taking the light path system as a symmetry axis, a liquid injection station and a plurality of detection stations are arranged above the conveying belt, a dumping station, a cleaning station, a drying station and a preparation station are arranged above the conveying belt, a liquid injector is arranged above the liquid injection station, and a liquid collectingdisc, a cleaner and a dryer are arranged below the dumping station, the cleaning station and the drying station respectively. According to the invention, the touch frequency of the cuvette can be reduced or eliminated, the accuracy of the wavelength of monochromatic light can be improved, the residual components of detection liquid on the cuvette can be reduced, the detection speed can be increased, the detection cost can be reduced, and the accuracy of the detection result can be improved.

Description

technical field [0001] The invention relates to a spectrophotometer and a detection method thereof, in particular to a spectrophotometer and a detection method thereof for batch detection, and belongs to the field of detection equipment. Background technique [0002] The method of using the unique absorption spectrum of a substance to identify the existence of a substance (qualitative analysis), or using the degree of absorption of a certain wavelength of light by a substance to determine the content of a substance (quantitative analysis) is called spectrophotometry. Commonly used wavelength ranges are: (1) ultraviolet light region of 200-380nm, (2) visible light region of 380-780nm, (3) infrared light region of 2500-25000nm. The instruments used are ultraviolet spectrophotometer, visible light spectrophotometer (or colorimeter), infrared spectrophotometer or atomic absorption spectrophotometer. When the light passes through a solution of a certain substance, the intensity ...

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Problems solved by technology

Furthermore, although the color cuvette needs to be washed many times before and after the test, it is difficult to achieve the ideal state in daily operation, and there will still be liquid residue, which will also cause distortion of the test results

The above-mentioned defects have caused more difficulties to the automatic detection of batch independent samples. In order to overcome this phenomenon, manufacturers such as Shimadzu Corporation in Japan have produced spectrophotometers that can be automatically operated, and the cleaning of the cuvettes is performed by using 20 The volume of the cleaning liquid and the liquid to be tested are washed repeatedly compared to the volume of the cuvette. In this way, although the residual liquid components are reduced, the liquid to be tested and the cleaning liquid will be wasted. Repeated cleaning costs a lot of money. A lot of time will also affect the detection speed, waste the detection time, and increase the detection cost. How to obtain the detection results quickly and at a low cost without affecting the accuracy of the detection results is the current existence of spectrometers. a subject of

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