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Online feed heavy metal detection device and method based on microwave assistance

A microwave-assisted and detection device technology, applied in the field of spectral analysis, can solve problems such as complex digestion and pretreatment of measurement samples, and achieve the effects of improving sensitivity and stability, enhancing spectral intensity, and improving speed and efficiency

Inactive Publication Date: 2017-08-18
JIANGXI AGRICULTURAL UNIVERSITY
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  • Description
  • Claims
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Problems solved by technology

[0005] In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a microwave-assisted on-line detection device and method for heavy metals in feed to solve the existing problems in the prior art that require complicated digestion and pretreatment of the measurement samples. Shortcomings

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  • Online feed heavy metal detection device and method based on microwave assistance
  • Online feed heavy metal detection device and method based on microwave assistance
  • Online feed heavy metal detection device and method based on microwave assistance

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Embodiment Construction

[0038] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0039] It should be noted that the specific embodiment of the present invention can be applied to feed, also can be applied to rice, paddy food, or other food.

[0040] The present invention provides a microwave-assisted on-line detection device for heavy metals in feed, which includes a tablet press for pressing samples to form a pressed sample 111, a digital pulse delay generator 1, a laser output unit 2, a microwave-assisted Unit 3, spectrum acquisition unit 4; laser output unit 2 includes a laser 21 for emitting laser and a focusing lens 22 for focusing the laser; microwave auxiliary unit 3 includes a microwave generator 31 for sending microwave pulses, a coaxial Line 32, microwave probe 33, microwave generator 31 links to each other with microwave probe 33 through coaxial line 32, microwave pro...

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Abstract

The invention discloses an online feed heavy metal detection device and method based on microwave assistance. The device comprises a press for pressing a sample, a digital pulse delay generator, a laser output unit, a microwave assistance unit and a spectrum acquisition unit, wherein the laser output unit comprises a laser device for emitting laser and a focusing lens for focusing the laser; the microwave assistance unit comprises a microwave generator for emitting microwave pulse, a coaxial line and a microwave probe, the microwave generator is connected with the microwave probe through the coaxial line, and the microwave probe is located right above the pressed sample; the spectrum acquisition unit comprises an acquisition lens for acquiring a spectrum signal and a spectrograph for performing data acquisition and optoelectronic signal conversion on the spectrum signal; the digital pulse delay generator is connected with the laser device, an input end of the microwave generator and the spectrograph; the digital pulse delay generator is used for providing timing sequence for the laser device, the microwave generator and the spectrograph. The cost of raw materials can be saved by the aid of the device.

Description

technical field [0001] The invention relates to the technical field of spectral analysis, and more specifically, to a microwave-assisted on-line detection device for heavy metals in feed and a microwave-assisted on-line detection method for heavy metals in feed used in the above device. Background technique [0002] In recent years, my country's animal husbandry industry has developed rapidly, and the feed processing industry has played a decisive role in the development of animal husbandry and the health of animal products. At present, heavy metal elements copper (Cu), cadmium (Cd), chromium (Cr), Lead (Pb) has been widely used in animal feed. Although putting in a proper amount of heavy metal elements at the corresponding stage can promote the growth of poultry and livestock, if the content of heavy metals exceeds the standard, it may cause toxic and side effects such as lesions in livestock and poultry. It is difficult to decompose These heavy metal elements are enriched in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/71G01N1/28
CPCG01N21/718G01N1/286
Inventor 姚明印罗子奕陈添兵黄林刘木华陈金印饶刚福
Owner JIANGXI AGRICULTURAL UNIVERSITY
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