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Wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer

A fluorescence spectrometer and X-ray technology, applied in the field of X-ray fluorescence spectrometer, can solve the problems of inability to perform spectral analysis, take a long time, and limit the scope of application of the instrument, and achieve the effects of improving detection efficiency, expanding application space, and improving reliability.

Pending Publication Date: 2018-09-07
NAT RESERACH CENT OF GEOANALYSIS +1
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Problems solved by technology

However, due to the structure of the instrument, when analyzing the distribution of samples, only energy spectrum analysis can be used, and spectral analysis cannot be performed, which limits the scope of application of this instrument
Some wavelength dispersive X-ray fluorescence spectrometers on the market also have the function of distribution analysis, but they do not have the function of energy spectrum analysis. It takes a long time to perform distribution analysis

Method used

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  • Wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer
  • Wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer

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Embodiment Construction

[0022] The compound X-ray fluorescence spectrometer of the present invention will be further described in conjunction with the accompanying drawings and specific examples.

[0023] Such as figure 1 and figure 2 As shown, a composite X-ray fluorescence spectrometer of the present invention includes an X-ray source 1, a filter switching mechanism 2, a sample moving table 3, a sample cup 4, an aperture switching mechanism 5, and a primary collimator switching mechanism 6. Spectroscopic crystal switching mechanism 7, secondary collimator switching mechanism 8, gas flow proportional counter 9, scintillation counter 10, SDD detector 11, analysis chamber cavity 12, main control board 13 and PC 14, the sample The cup 4 is set on the sample moving table 3, the X-ray source 1, the filter switching mechanism 2, the sample cup 4, the aperture switching mechanism 5, the primary collimator switching mechanism 6, the spectroscopic crystal switching mechanism 7, the secondary The collimato...

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PUM

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Abstract

The invention provides a wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer. The wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer comprises an X-ray source, a light filter switching mechanism, a sample moving platform, a sample cup, a diaphragm switching mechanism, a primary collimator switching mechanism, a dispersive crystalswitching mechanism, a secondary collimator switching mechanism, a gasflow type proportional counter, a scintillation counter, an SDD detector, a main control panel and a PC machine. The wave spectrum and energy spectrum composite type X-ray fluorescence spectrophotometer has the following advantages: detection or point / face scanning can be rapidly completed by using an energy spectrum function when the sample is subjected to integrated component analysis and distribution analysis, and the whole body or certain area of the sample can be subjected to element analysis and distribution analysisby a wave spectrum function, so that organic combination of the wave spectrum and energy wave spectrum functions is realized, the two functions can be applied to integrated element component analysisand distribution analysis of the sample, the characteristics of high resolution, rapidness, flexibility and combinability are achieved, the reliability of the analysis result can be improved and the detection efficiency can be improved obviously.

Description

Technical field: [0001] The invention relates to the technical field of X-ray fluorescence spectrometers, in particular to a composite X-ray fluorescence spectrometer with spectrum energy spectrum. Background technique: [0002] X-ray fluorescence spectrometer can perform non-destructive and rapid elemental analysis of the sample to be tested, and has been widely used in inorganic analysis fields such as geology, metallurgy, non-ferrous metals, building materials, and the environment. According to different spectroscopic methods, X-ray fluorescence spectrometers can be divided into wavelength dispersive (spectrum) and energy dispersive (energy spectrum) X-ray fluorescence spectrometers. Wavelength dispersive X-ray fluorescence spectrometer is divided into sequential type and fixed channel type. Sequential wavelength dispersive X-ray fluorescence spectrometer has the characteristics of high resolution and high flexibility, and has good analysis effect on light elements. Ene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223G01N23/2204
CPCG01N23/2204G01N23/223G01N2223/076
Inventor 邓赛文周超袁良经黄俊杰宋春苗胡学强陶迪
Owner NAT RESERACH CENT OF GEOANALYSIS
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