252 results about "Fluorescence spectrometer" patented technology

The invention provides an intelligent sorting method and system for radioactive substances. The method comprises the following steps: synchronously detecting surface element composition and radiation intensity of a radioactive substance through an X-ray fluorescence spectrometer, and constructing a spatial difference matrix of element abundance distribution and a radiation gradient topological graph; the three-dimensional coordinates, the pressure threshold value and the shape adaptation parameters of the target grabbing position are determined on the basis, the curvature radius of the clamping jaw deformation contour is dynamically adjusted, and the error of the dynamic geometric envelope and the contour template is converged to be within the threshold value; finally, when the clamping jaw reaches a target position, the area of the heat shrinkage material is activated to be heated according to the radiation intensity abrupt change boundary coordinates, a sealed isolation layer synchronously expanded with the dynamic geometric envelope is generated, and safe grabbing and sealed isolation of radioactive substances are achieved. According to the technical scheme, accurate grabbing of radioactive substances, error self-adaptive compensation and synchronous isolation of radiation leakage can be achieved, and the sorting safety and efficiency are improved.

The invention relates to the technical field of mineral processing data processing, in particular to a preparation method of a high-calcium fluorite and barite paragenic ore combined inhibitor, which comprises the following steps: collecting multi-source process mineralogy data output by an X-ray fluorescence spectrometer, an automatic mineral analyzer and the like, converting the multi-source process mineralogy data into a structured format, and constructing a process mineralogy database; based on historical data of a database, a random forest algorithm is adopted to train a correlation model, the correlation rule of mineral characteristics such as calcite content, fluorite particle size distribution and barite monomer dissociation degree and the inhibitor ratio is learned, and parameters of the optimization model are fed back through a flotation test. The combined inhibitor solves the problem of selective separation caused by similar surface properties through a synergistic effect of covering active sites of fluorite calcium by modified water glass, regulating active sites of barite barium by citric acid and assisting in enhancing inhibition by modified starch, and solves the problem of low efficiency of multi-source data integration through structured data processing and model closed-loop optimization; the flotation separation efficiency and the concentrate grade are improved.

The invention relates to the technical field of grading gangue selection of coal gangue, in particular to a grading gangue selection method of coal gangue, which comprises the following steps: acquiring mineral texture data through a multispectral imaging device, analyzing the spatial distribution of aluminum and silicon elements in combination with an X-ray diffractometer, and generating a three-dimensional component map through spatial registration and fusion with infrared heat value data; impurities are dynamically removed through sulfur element spectrum detection, and the air pressure and the material flow of winnowing equipment are adjusted by matching roasting process parameters; components of the sorted waste are analyzed through an X-ray fluorescence spectrometer, particle size data are obtained through a laser particle analyzer, a genetic algorithm is input to iteratively optimize detection channel combination and sampling density, a resource distribution instruction is generated, and equipment parameter correction is fed back. According to the method, aluminum-silicon ratio critical value accurate identification, sorting parameter dynamic adaptation and waste recycling path optimization are realized, and the problem of overburning caused by insufficient quantitative analysis of element distribution in the prior art is solved.

The invention discloses an intelligent carbon anode quality detection system, particularly relates to the field of electrolytic aluminum, and comprises a data acquisition module, a data preprocessing module, a data analysis module and a comprehensive judgment module. According to the method, a full-process data acquisition system covering raw materials, forming, roasting and appearance is constructed, accurate acquisition of multi-source data is realized by using equipment such as an X-ray fluorescence spectrometer and a hydraulic sensor, the problem of dispersion of traditional detection data is solved, and the detection accuracy of the multi-source data is improved through multi-stage pretreatment methods such as outlier elimination, sliding window filtering, temperature compensation and wavelet noise reduction. Dimension difference and sensor noise interference are effectively eliminated, and data reliability is improved. A multi-level evaluation model composed of a raw material comprehensive index, forming energy density, roasting maturity and appearance integrity is innovatively established, and intelligent comprehensive evaluation and accurate grading management and control of the carbon anode quality are achieved in combination with a dynamic weighting comprehensive quality index formula and a four-level grading mechanism.

The invention discloses a multi-element information acquisition and analysis system based on telemetering drifting buoys, and relates to the technical field of marine environment monitoring. A three-dimensional fluorescence spectrometer, a temperature-salinity-depth sensor, a positioning module and a miniature water sampler are carried on each telemetering drifting buoy; the system is used for collecting algae fluorescence spectrums, water quality parameters and position data in real time, inputting the data into a trained random forest model to output the red tide occurrence probability, triggering multi-level early warning in combination with a preset expert rule engine, linking air and shore-based equipment and a data storage system, and utilizing laboratory true value data obtained by a miniature water sampler to determine the red tide occurrence probability. And performing incremental training on the random forest model every day, thereby dynamically optimizing internal structure parameters of the model. The method effectively improves the prediction probability of the red tide.

The invention relates to the technical field of geological exploration, in particular to an X-ray fluorescence spectrometer and geological radar combined gold vein rapid positioning method, which comprises the following steps: S1, arranging an exploration survey line in a pre-selected exploration area; s2, along the same measuring line, measuring the content of the gold mineralization indication element in the earth surface or the shallow medium by using an X-ray fluorescence spectrometer, synchronously recording the position information of a measuring point, and generating element content spatial distribution data; the gold mineralization indicating element comprises at least one of arsenic As, antimony Sb and mercury Hg; s3, carrying out detection by using a geological radar along the same measuring line, obtaining a reflected wave signal of an underground medium, synchronously recording position information of a detection point, identifying fault zone and joint zone geological structure anomalous bodies through data processing, and generating geological radar space distribution data; through XRF and GPR data fusion, a CAI quantitative model is established to precisely delineate an ore prospecting target area, a hidden ore body is effectively identified, the exploration precision and efficiency are greatly improved, and the exploration cost is reduced.

Provided is an X-ray fluorescence spectrometer that achieves a uniform state on a back side of a thin sheet-shaped sample so as to prevent a difference in a measurement condition depending on a measurement position. The X-ray fluorescence spectrometer includes: a sample stage; a background correction cover, which is arranged adjacent to an outer side of the sample stage so that a surface of the background correction cover is substantially flush with a surface of the sample stage; and a moving mechanism. The moving mechanism moves the background correction cover based on movement of the sample stage and, when the sample stage is absent on a back side of the sample at a measurement position, moves the background correction cover so that the background correction cover is located on the back side of the sample at the measurement position.

The present invention relates to the technical field of the preparation of Cr3+-doped fluorescent materials. Disclosed are the preparation of a Cr3+-doped fluorescent material and the use thereof in a plant light supplement lamp. The preparation comprises the following steps: weighing a matrix raw material and a Cr3+-containing raw material according to the stoichiometric ratio, and respectively grinding and then storing same in a dryer; placing the raw materials into a ball milling tank, and subjecting same to planetary ball milling for 3-6 hours; transferring same to an alumina crucible, and pre-sintering same for 2-5 hours; after secondary ball milling, adding a fluxing agent thereto; placing same in a high-temperature furnace and sintering same for 6-10 hours, and furnace cooling same or cooling same under the protection of an inert gas; and firstly coarsely crushing same, then grinding same to 10-30 μm, alternately cleaning same with deionized water and ethanol, drying same in an air dry oven, detecting and screening the product by using a fluorescence spectrophotometer, an X-ray diffractometer and a scanning electron microscope, and remanufacturing unqualified products after adjusting process parameters according to detection results. The present invention has a high light-emitting efficiency, and the spectrum thereof is suitable for plant photosynthetic absorption. When being applied to a light-supplementing lamp, plant growth can be promoted, the plant height and the chlorophyll content are significantly increased, and the natural spectrum is simulated, such that the material is suitable for multiple cultivation scenarios.

The invention discloses a method, a system, equipment and a medium for determining impurity components in graphite ore, and relates to the technical field of component determination. The method comprises the following steps: preparing a standardized sample; respectively measuring a to-be-measured sample and the standardized sample by using an X-ray fluorescence spectrophotometer, and determining the elemental analysis line intensity of the to-be-measured sample and the elemental analysis line intensity of the standardized sample; performing regression analysis on the elemental analysis line intensity of the standardized sample by using a mathematical correction mode, and determining related parameters; the related parameters comprise a calibration curve constant and a spectral line overlapping interference correction coefficient; and content calculation is carried out based on the elemental analysis line strength of the sample piece to be detected and the related parameters, and the impurity components in the target graphite ore are obtained. The method provided by the invention can improve the determination precision of impurity components in graphite ore.

The invention discloses an atmospheric microparticulate monitoring device and method based on multi-mode sensing, and relates to the technical field of ecological environment monitoring. The device comprises a data acquisition system used for carrying out real-time sample acquisition and signal conversion on conventional pollution factors and meteorological parameters in air; the data analysis system is used for carrying out concentration analysis and early warning on the signals converted by the data acquisition system; the error evaluation system is used for performing error evaluation on the key indexes of the data acquisition system according to the acquired samples; and the data transmission system is used for carrying out cross-regional transmission on the sample acquired by the data acquisition system and the analysis result according to a sensitivity quantity algorithm based on an anonymous model. Real-time monitoring of atmospheric micro-particles with high accuracy and strong applicability is realized based on atmospheric monitoring standards independent of a meteorological monitoring framework, and reasonable adjustment of device parameters is realized by cooperation of the atomic fluorescence spectrometer and the enrichment sampling and pretreatment unit.

The invention discloses a method for detecting perfluorinated compounds by using a sensor array composed of dyes, comprising the following steps: S1, preparing a fluorescent dye solution: preparing a fluorescein diluent, a coumarin 7 diluent, and a cyanine diluent; S2, preparing a pollutant solution: preparing diluted PFBA solution, PFOA solution, PFDA solution, PFUdA solution, and PFDoA solution; S3, constructing a fluorescent sensor array and detecting perfluorinated compounds: placing a sample in a fluorescence spectrometer for detection. The dyes used in the detection method of the invention are easy to obtain and have strong fluorescence stability. The sensor array can detect perfluorinated compounds with similar structures, and the operation is simple.

An article with a surface layer, that is excellent in fingerprint stain removability, friction resistance, and adhesion to a protective film of the surface layer. The article includes a base material and a surface layer provided on the surface of the base material. The surface layer contains groups having —O— between carbon-carbon atoms of a fluoroalkyl group with two or more carbon atoms and has a normalized F intensity in a range of 0.38 to 0.53, where the normalized F intensity is obtained by preparing a glass containing 4.96 mass % of fluorine atoms as a standard sample, measuring, by an X-ray fluorescence spectrometer, the fluorine atom intensity in the surface layer and the fluorine atom intensity in the standard sample, respectively, and dividing the fluorine atom intensity in the surface layer by the fluorine atom intensity in the standard sample.

The present invention belongs to the technical field of pesticide residue detection, and specifically relates to a DebNet intelligent classification method based on fluorescence pesticide residue detection, comprising the steps of detecting pesticide samples using a fluorescence spectrometer to obtain one-dimensional spectral data of the pesticide samples; preprocessing the spectral data; performing data enhancement on the preprocessed spectral data, wherein the enhancement methods include linear interpolation, noise injection, spectral shifting, and spectrum clipping; building a hybrid neural network model including an input layer, a convolutional layer, a pooling layer, an LSTM layer, a self-attention module, a fully connected layer, and an output layer, namely a DebNet model; training the DebNet model based on the enhanced spectral data, wherein the training process includes forward propagation and backpropagation; and utilizing the trained DebNet model to classify and identify the spectral data of the sample to be tested. The present invention can improve classification accuracy, reduce sample requirements, simplify data processing procedures, and reduce detection costs.

The invention discloses a targeted design and optimization method for an organic pollutant fluorescence sensing array and a signal acquisition device. The overall information of the array is obtained in a high-throughput manner in a fluorescence imaging mode; based on an inner filter effect sensing mechanism, the model selection of a sensing material and an optical device is carried out by taking the absorption spectrum characteristic of a target organic detection object as a starting point, and sensing optimization is carried out based on the controllability of weak interaction between the sensing material and the target detection object. The use process comprises two aspects of sample library construction and modeling and detection application. The method comprises the steps of sensing material selection, model selection of an excitation light source and a signal acquisition device, light path arrangement design and sensing performance optimization. The detection device disclosed by the invention has proper detection precision and portability, can replace a precise fluorescence spectrophotometer, and realizes low-cost, high-throughput and real-time field detection of a water body.

The invention relates to the technical field of position calibration, and provides a position calibration improved structure of an X fluorescence spectrometer, which comprises a spectrometer box, the bottom of the spectrometer box is fixedly connected with a base, the top of the spectrometer box is provided with a spectrum cavity, the outer surface of the spectrum cavity is provided with a visual sensor, and the visual sensor is connected with the base. Arc-shaped rails are symmetrically arranged on the two sides of the spectrometer box, the outer surfaces of the arc-shaped rails are slidably connected with isolation hoods, a sliding-out groove is formed in the bottom of the spectrum cavity, and a side groove is further formed in the inner wall of the spectrum cavity; the positioning unit is arranged at the bottom of the spectrum cavity and used for adjusting the position, the excitation unit is located above the positioning unit and emits X fluorescence, a material needing qualitative and quantitative treatment is put into the positioning unit, the positioning unit can drive the material to move to the position under the excitation unit, and the sample is bombarded by X rays to excite characteristic fluorescence; and non-destructive detection of qualitative and quantitative analysis of elements is realized.

1. The name of the design product: Fluorescence spectrometer (handheld). 2. The use of the design product: For analyzing the element composition and content in the substance. 3. The design points of the design product: In shape. 4. The picture or photo that best indicates the design points: Perspective view.

The utility model relates to the technical field of spectrometers, in particular to an X-ray fluorescence spectrometer which comprises a bottom plate, a mounting plate is fixedly mounted at the top of the bottom plate, a first sliding groove is formed in the mounting plate, a moving mechanism is mounted in the first sliding groove, two mounting frames are mounted at the top of the bottom plate, and the mounting frames are in bilateral symmetry. The two installation frames are provided with second sliding grooves, lifting mechanisms are installed in the second sliding grooves, a fixing rod is installed on the left side of the left installation frame, a controller is fixedly installed on the left side of the fixing rod, a display screen is installed on the front side of the controller, and control buttons are arranged on the lower side of the display screen. The whole inserting rod can be moved out of the inserting hole by moving the moving block towards the right side, then the grating receiver can be conveniently replaced in the later period, and the problem that the grating receiver is inconvenient to replace in the later period is solved.

The invention relates to a high-nitrogen stainless steel spectrum standard sample and a preparation method thereof. The preparation method comprises the following steps: a) smelting in a vacuum furnace, alloying and casting; b) forging the cast ingot to obtain a round ingot; c) processing the round ingot to obtain blocky samples, marking numbers on the blocky samples, and grouping the blocky samples; d) selecting more than 20 block-shaped samples from each group of block-shaped samples, carrying out homogeneity test by adopting direct reading spectrometry or glow spectrometry, and carrying out homogeneity statistics on each element according to a variance analysis method; and e) carrying out constant value analysis on the characteristic value, and taking the block sample with the element characteristic value meeting the requirement as a spectrum standard sample. The prepared spectrum standard sample can be used as a series of standard samples with known components for a direct-reading spectrometer, a glow spectrometer, a glow mass spectrometer and an X-ray fluorescence spectrometer; the method effectively solves the problem of rapid and accurate component detection of the high-nitrogen stainless steel, and has very important application value.

This utility model belongs to the field of optical measurement technology and discloses an atomic fluorescence spectrometer, including: a frame, a worktable, and a positioning component. The frame supports the atomic fluorescence spectrometer, and the worktable is connected to the frame for placing the sample to be tested. The positioning component includes a telescopic component, a movable component, a guide component, a squeezing component, and a rubber component. The telescopic component is disposed on the worktable, and its movable end is drivenly connected to the movable component. The movable component is movably disposed on the worktable. The guide component is connected to the movable component and slidably disposed on the worktable. The squeezing component is connected to the movable component, which can achieve squeezing and fixing of the sample to be tested, thereby effectively limiting the position of the sample and avoiding positional displacement caused by external factors during the detection process, thus ensuring the accuracy of the atomic fluorescence spectrometer detection results.

The utility model discloses an automatic calibration system of an X-ray fluorescence spectrometer, which comprises a positioning plate, and positioning blocks are welded at the left and right positions of the front and rear ends of the positioning plate; a set of threaded transmission mechanism is installed on the right side of the top of the positioning plate, a threaded rod arranged at one end of the interior of the threaded transmission mechanism is in threaded connection with the interior of a movable plate, and the bottom of the movable plate is slidably arranged in a sliding groove formed in the bottom of the positioning plate; a group of carrier plates convenient for accommodating samples are placed at the end part of the left end of the movable plate, and the bottom position of the plectrum block is adjusted in the carrier plates through an adjusting mechanism. According to the automatic calibration system of the X-ray fluorescence spectrometer, the adjusting mechanism is arranged, the shifting piece block can move through the connecting plate through the matched arrangement of the adjusting mechanism, and the purposes that matched groove bodies do not need to be formed for matched use, and the matching efficiency is high are achieved.

The invention provides a double-recognition probe template for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention provides a double-recognition probe for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention also provides a kit for diagnosis or / and auxiliary diagnosis of acute myocardial infarction. The invention further provides a double-target miRNA single-tube detection method based on combination of a double-recognition probe triggered RCA-CRISPR technology, and the double-target miRNA single-tube detection method is used for detecting the target miRNA by adopting the kit and adopting single-tube method CRISPR-Cas12a fluorescence / lateral flow chromatography. Wherein the target miRNA is miRNA-1 (micro Ribonucleic Acid) and / or miRNA-208 (micro Ribonucleic Acid). According to the invention, high-sensitivity detection of double targets of miRNA-1 and miRNA-208 is realized, the sensitivity is improved by 2 orders of magnitude compared with that of a standard method, and the detection time is greatly shortened; the fluorescence spectrophotometer is used for carrying out accurate quantitative detection, the macroscopic instant detection can be realized through the lateral flow test strip, and the kit is suitable for different detection scenes, especially for basic laboratories with limited resources or on-site rapid detection.

The invention relates to the technical field of traditional Chinese medicine detection, in particular to a method for identifying the production place and aging year of pericarpium citri reticulatae, which comprises the following steps: acquiring a pericarpium citri reticulatae powder sample, detecting characteristic elements by adopting a portable X-ray fluorescence spectrophotometer, inputting the characteristic elements into a production place prediction model, and identifying whether the pericarpium citri reticulatae is the production place of a new meeting area or not; adding ultrapure water into the powder sample of which the characteristic elements are detected, carrying out ultrasonic extraction, centrifuging, and taking supernate, so as to obtain a pericarpium citri reticulatae water extract; and measuring the pH value, the conductivity and the 420nm light absorption value of the dried orange peel water extract, and inputting into the year function model to identify the aging year of the dried orange peel sample. According to the method, through a mode of optimizing a sample treatment flow and integrating multiple models, one sample and one-time pretreatment are realized, and double-index identification of the production place and the aging year is synchronously completed. While the detection accuracy is ensured, the detection time is greatly shortened, the sample consumption and the operation complexity are reduced, and the requirements of on-site rapid detection and large-scale production area and year monitoring are met.

The invention relates to the technical field of strata facies type identification, in particular to a method and device for rapidly identifying shale strata facies, and the method comprises the following steps: obtaining a to-be-detected strata-containing shale sample; the method comprises the following steps: scanning a to-be-detected shale sample containing the strata by using a portable handheld X-ray fluorescence spectrometer, constructing a measuring point position, and measuring elements in the sample point by point at the measuring point position to obtain the mass percent content of the elements; performing contrast microscopic analysis, selecting corresponding part of point positions at the element measuring point positions to prepare rock slices, and identifying the exact lamina phase type of the rock slices under a microscope; according to the method, the element content in the to-be-detected shale sample containing the lamina is measured through the portable handheld X-ray fluorescence spectrophotometer, the lamina phase type is judged and identified through the element content, identification of a single lamina can be completed within one minute, identification of the lamina phase type can be rapidly completed in a field environment in a lossless and low-cost mode, and the identification accuracy is high. And the identification efficiency of the lamina phase type is improved.

1. Name of the product in this design: X-ray fluorescence spectrometer (portable). 2. Purpose of this design: For analyzing and measuring elements. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The utility model discloses a china clay iron content detection device which comprises an X-ray fluorescence spectrophotometer body, a partition plate is arranged at the top of the X-ray fluorescence spectrophotometer body, an operation interface is arranged in front of the X-ray fluorescence spectrophotometer body, a sample testing cavity and a detection probe used for containing the X-ray fluorescence spectrophotometer body (1) are arranged on the partition plate, a bottom support is arranged above the sample testing cavity, and the bottom support is connected with the X-ray fluorescence spectrophotometer body (1). A sample cup is arranged above the bottom support, the sample cup is cylindrical, the bottom of the sample cup is open, the sample cup is used for placing a porcelain clay sample, and the bottom support is used for bearing the sample cup and the cut-off film; a baffle and a winding roller are arranged on the partition and located on the two sides of the sample cup respectively, a film outlet is formed in the baffle, a film box is placed on one side of the baffle, a film is pulled out from the outlet and extends to the gap between the bottom support and the sample cup to be placed on the winding roller, and the winding roller winds the film. The utility model belongs to the technical field of china clay iron content detection, and particularly relates to a china clay iron content detection device.

The invention discloses a method for co-treating salt-containing organic wastewater through step-by-step electrodialysis-similar electro-Fenton, and relates to the field of water pollution control, wastewater is collected and filtered through a filter membrane, and a humification index HIX is scanned and calculated through a three-dimensional fluorescence spectrophotometer; regulating and controlling the concentration of Cl <-> in the wastewater by utilizing a front catalytic electrodialysis unit according to the measured HIX index, and synchronously regulating the pH value to obtain a product I; adding a catalyst precursor Fe < 3 + > into the product I, starting Fe < 2 + > / HClO electro-Fenton catalytic reaction, and performing deep desalination through a rear catalytic electrodialysis unit to finally realize synergistic catalytic removal of salt and organic matters. The method has the advantages that the HIX index is taken as a judgment basis, the Cl <-> removal is dynamically adjusted to efficiently and safely operate in the collaborative electro-Fenton process, the collaborative efficient removal of organic pollutants and salt can be realized, the goal of'Cl <-> removal after utilization 'can be achieved, and the method is an ideal method for treating the salt-containing organic wastewater.

The utility model relates to the field of fluorescence spectrophotometer equipment, in particular to a novel fluorescence spectrophotometer optical fiber fixing support which comprises a base and a clamping jaw, a limiting seat is fixedly arranged at the top end of the base, a clamping block is movably connected to the top end of the limiting seat, a guide rod is connected to the top end of the clamping block in a threaded mode, and a sleeve is arranged on the outer surface of the guide rod in a sleeved mode. The clamping jaw is fixedly arranged on the side wall of the sleeve, a clamping groove is formed in the side wall of the clamping jaw, and a protective pad is fixedly arranged on the inner side wall of the clamping groove; compared with a traditional optical fiber fixing support of the fluorescence spectrophotometer, the stability of movement of the clamping block in the direction is improved through cooperation of the base, the limiting base, the clamping block and the buffering assembly, and vibration energy of the base can be converted into internal energy to be consumed through cooperation of the bottom plate, the spring, the damper and the top plate; and the heat conduction sheet and the bottom plate are matched to improve the heat transmission efficiency, so that the vibration influence on the guide rod, the sleeve and the clamping jaw is reduced, the optical fiber clamping stability is improved, and the signal transmission stability is improved.

The invention discloses a method for detecting silicon dioxide, calcium oxide and magnesium oxide in fly ash, which comprises the following steps: firing the fly ash at a certain temperature for a certain time, weighing a certain amount of fired sample, preparing a glass sheet by using lithium tetraborate-lithium metaborate as a flux and ammonium iodide as a release agent in a melting furnace at a certain temperature for a certain time, and then sintering the glass sheet in a sintering furnace at a certain temperature for a certain time. The X-ray fluorescence intensity of silicon, calcium and magnesium is determined through an X-ray fluorescence spectrometer, so that the determination of silicon dioxide, calcium oxide and magnesium oxide is completed. The method is simple to operate, high in analysis speed, accurate in result and easy to master.

The utility model discloses a downward illumination type X-ray fluorescence spectrophotometer which comprises a box body, the upper part of the box body is provided with a test panel, the test panel divides the box body into an operation cavity and a mounting cavity which are arranged up and down, and the test panel is provided with a test hole communicated with the operation cavity and the mounting cavity; the internal assembly comprises an X-ray light tube and a detector which are mounted in the operation cavity, and a light path formed by the transmitting end of the X-ray light tube and the receiving end of the detector in the mounting cavity faces the test hole; the sample testing table is slidably mounted on the testing panel in the operation cavity, and a through hole for placing a sample on the light path in the mounting cavity is further formed in the sample testing table; the adjusting mechanism is installed on the sample testing table and used for adjusting the position of the sample in the first direction and / or the second direction, the first direction is the length direction of the testing panel, and the second direction is the width direction of the testing panel. According to the utility model, the position of the sample can be accurately adjusted by using the adjusting assembly, so that the detection accuracy is improved.

The application provides a method for detecting the content of each component in a mixture, which is mixed by various inorganic raw materials, and comprises the following steps: step 1, grinding, mixing and uniformly taking a certain amount of each of the to-be-detected substance and various raw materials thereof as samples; step 2, heating and calcining each sample to obtain the ignition loss value of each sample, and then performing a melting sheet treatment on each sample; step 3, using an X-ray fluorescence spectrometer to measure each sample after the melting sheet treatment, combining the corresponding ignition loss value, obtaining the oxide content in the to-be-detected substance and various raw materials thereof, and obtaining the oxide content corresponding to the to-be-detected substance and various raw materials thereof and the characteristic spectrum; and step 4, according to the oxide content and the characteristic spectrum of the to-be-detected substance and various raw materials thereof, analyzing the content of each raw material in the to-be-detected substance by spectrum fitting and least square method algorithm. The application can quickly and accurately detect the component content of mixtures such as cement and soil, and confirm whether the product is qualified.