Transmission-type X fluorescent device

A fluorescent device and transmission technology, which is applied in the direction of measuring devices, material analysis using wave/particle radiation, instruments, etc., can solve the problem that the debugging of the instrument device should not be too complicated, and achieve difficult debugging, convenient sample preparation, and short measurement time long effect

Inactive Publication Date: 2015-12-23
四川新先达测控技术有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0013] In order to solve the technical problems of reducing the minimum detection limit in the traditional reflective energy dispersive X-ray fluorescence instrument, the debugging of the instrument device should not be too complicated, and the need to realize real-time and fast measurement, the present invention provides a

Method used

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  • Transmission-type X fluorescent device
  • Transmission-type X fluorescent device
  • Transmission-type X fluorescent device

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Embodiment Construction

[0030] In order to further understand the content, features, and effects of the present invention, the following embodiments are exemplified, and are described in detail below in conjunction with the drawings.

[0031] Such as figure 1 with figure 2 : A transmissive X-ray fluorescence device includes an X-ray tube 6, an inner sleeve 7, a filter 2, an inner sleeve seat 8, a pressing sheet 9, and a detector 5. One end of the X-ray tube 6 is embedded on the inner sleeve seat 8. , The inner sleeve seat 8 is connected with the detector 5, the inner sleeve 7 is embedded inside the inner sleeve seat 8, the filter 2 is fixed on the inner sleeve 7, and the pressing piece 9 is located between the inner sleeve 7 and the detector and is fixed to the inner sleeve 7 on.

[0032] The inner sleeve 7 is made of copper inner sleeve.

[0033] The transmission X-ray fluorescence device also includes the tested sample 3, which is set on the inner sleeve.

[0034] The bottom of the inner sleeve 7 is prov...

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Abstract

The invention relates to a transmission-type X fluorescent device. The transmission-type X fluorescent device comprises an X-ray tube, an inner sleeve, a light filter, an inner sleeve base, a pressure sheet and a detector, wherein one end of the X-ray tube is embedded on the inner sleeve base; the inner sleeve base is connected with the detector; the inner sleeve is embedded inside the inner sleeve base; the light filter is fixed on the inner sleeve; the pressure sheet is positioned between the inner sleeve and the detector and is fixed on the inner sleeve. The transmission-type X fluorescent device disclosed by the invention has the capabilities of reducing a lowest limit of detection in a conventional reflection-type energy dispersive X fluorimeter and realizing a real-time and rapid measurement. The transmission-type X fluorescent device can be used for realizing the real-time measurement and convenience in sample preparation and is a measurement instrument having low limit of detection. At present, the lowest limit of detection of the transmission-type X fluorescent device disclosed by the invention is lower than that of a current reflection-type X fluorimeter by two orders of magnitudes.

Description

technical field [0001] The invention belongs to the technical field of nuclide analysis using X-ray fluorescence, in particular to a transmission X-ray [0002] fluorescent device. Background technique [0003] The existing energy dispersive X-ray fluorescence instrument adopts the reflection method, and there are mainly the following two types: [0004] (1) Reflective X-ray fluorescence analyzer, as long as the wavelength or energy of fluorescent X-rays is measured, the type of element can be known, which is the basis of qualitative analysis of fluorescent X-rays. In addition, the intensity of fluorescent X-rays has a certain relationship with the content of the corresponding elements, and based on this, quantitative analysis of elements can be carried out. [0005] Disadvantages of reflective X-ray fluorescence analyzer: [0006] a) It is difficult to do absolute analysis, so quantitative analysis requires standard samples. [0007] b) Sensitivity to light elements is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223
Inventor 周建斌钟建军童云福王敏马英杰周伟刘易洪旭赵祥喻杰
Owner 四川新先达测控技术有限公司
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