X-ray Fluorescence Spectrometer Automatic Angle Setting
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Solution Overview
Problem
Conventional sequential X-ray fluorescence spectrometers require manual setting of peak and background measurement angles for analytical samples, which is time-consuming and does not accurately reflect the qualitative analysis results of multiple standard samples, leading to potential inaccuracies in analysis.
Innovation Solution
The spectrometer automatically performs qualitative analyses of multiple standard samples to determine peak and background measurement angles for analytical samples by synthesizing peak profiles and adjusting background angles to minimize interference, ensuring accurate analysis conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual setting of peak and background measurement angles is performed based on qualitative analysis of one standard sample, then the operation process is simple, but the measurement precision and reliability of quantitative analysis deteriorate due to interfering lines appearing differently in individual samples
Solution Approach 1:
The system performs preliminary qualitative analysis on multiple standard samples before quantitative analysis to automatically determine optimal peak and background measurement angles. This preliminary action captures the characteristics of interfering lines across different samples, enabling accurate angle setting that reflects actual sample variations without requiring manual intervention during quantitative analysis.
Solution Approach 2:
The system automatically performs qualitative analysis and determines measurement angles without operator intervention. The computer automatically processes the qualitative analysis results of multiple standard samples, identifies interfering lines, and sets optimal peak and background measurement angles, eliminating the need for manual angle setting while improving measurement precision.
2Measurement precision
If qualitative analyses are performed on multiple standard samples to accurately set measurement angles, then the measurement precision improves, but the time required for analysis increases significantly
Solution Approach 1:
The computer automatically performs qualitative analysis on multiple standard samples and determines optimal measurement angles without operator intervention. This automation eliminates the time-consuming manual analysis process while maintaining high measurement precision, as the system efficiently processes multiple samples and generates accurate angle settings for subsequent quantitative analysis.
Solution Approach 2:
The manual mechanical process of qualitative analysis and angle setting by operators is replaced with an automated computer-based system. The computer processes qualitative analysis data, identifies interfering lines, and calculates optimal peak and background measurement angles automatically, significantly reducing the time required compared to manual methods while improving consistency and accuracy.
3Device complexity
If peak and background measurement angles are set based on one standard sample, then the device complexity is low, but the adaptability to different samples deteriorates as interfering lines appear differently in individual samples
Solution Approach 1:
The system performs preliminary qualitative analysis on multiple standard samples to build a comprehensive understanding of sample-specific interfering lines before quantitative analysis. This preliminary characterization enables the system to adapt measurement angles to each sample's unique characteristics, improving versatility without increasing operational complexity during actual analysis.
Solution Approach 2:
The computer automatically adapts measurement conditions to each sample by performing qualitative analysis and determining optimal peak and background measurement angles based on the specific interfering lines present. This self-adjusting capability provides high adaptability to different samples while maintaining simple operation, as the system handles the complex adaptation process automatically without requiring operator expertise.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enables automatic and accurate setting of peak and background measurement angles, improving the efficiency and accuracy of quantitative analyses by reflecting the qualitative analysis results, thus enhancing the overall analytical process.
Implementation Method 1
irradiates a sample with primary X-rays and measures intensities of generated secondary X-rays
Implementation Method 2
measures intensities of secondary X-rays such as fluorescent X-rays generated from the sample
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A quantitative analysis condition setting unit (13) included in a sequential X-ray fluorescence spectrometer according to the present invention: performs qualitative analyses of a plurality of standard samples (14); sets, on the basis of the qualitative analysis results, a peak measurement angle of each measurement line for analytical samples (1) in quantitative analysis conditions; and obtains a single virtual profile by synthesizing peak profiles of the plurality of standard samples (14) subjected to the qualitative analyses and sets, on the basis of the virtual profile and a preset half value width of the peak profile, background measurement angles of each measurement line for the analytical samples (1) in the quantitative analysis conditions.