EDX-FTIR Contaminant Finder/Material Inspector

Significance of the Topic

Integrated analysis of contaminant and material composition is essential for quality control and failure investigation in industries ranging from food production to water supply management. Combining elemental analysis by energy dispersive X-ray spectroscopy with molecular fingerprinting via Fourier transform infrared spectroscopy enhances the reliability of identification and accelerates decision making in laboratories.

Objectives and Study Overview

The main goal of the EDXIR-Analysis software is to deliver automated qualitative evaluation of combined EDX and FTIR data sets. It aims to streamline contaminant identification, support confirmation testing through spectral and profile matching, and enable linked storage of diverse analytical results alongside supporting documents and images.

Methodology and Instrumentation

EDXIR-Analysis integrates two complementary techniques:

• Energy Dispersive X-Ray Fluorescence (EDX) for rapid elemental profiling of metals and inorganic substances
• Fourier Transform Infrared Spectroscopy (FTIR) for detection and identification of organic compounds

The software applies a patent-pending classification scheme to prioritize analysis based on inorganic, organic and mixed signals. Automated matching is performed against a proprietary Shimadzu library of 485 standard entries, with user capability to extend the library by adding new data files, images and PDF documents.

Used Instrumentation

• EDX-7000 or EDX-8000 energy dispersive X-ray spectrometers
• FTIR instruments controllable via LabSolutions IR, IRsolution or AIMsolution

The system operates under Windows 7 or 10 Professional environments and supports common data and image formats including datqlqn, ispd, smf, apit, DX JDX, bmp, png, jpg and pdf.

Main Results and Discussion

In a practical example, a black rubber contaminant was identified as acrylonitrile-butadiene rubber containing calcium carbonate and zinc stearate. In a separate case study, comparison of a PVC sample against a standard yielded a match score of 0.8506 and revealed unexpected lead and acrylic signals in the test object. Such results demonstrate the software’s capability to detect silent changes in supplier materials and to flag deviations from known standards.

Benefits and Practical Applications

Key advantages of the integrated approach include:

• Enhanced throughput through simultaneous evaluation of elemental and molecular data
• Robust confirmation of material identity via quantitative matching scores
• Centralized management of spectra, profiles, images and documentation for audit traceability
• Customizable library growth to suit specific industry needs
• Automated report generation in printable and editable Word formats

Future Trends and Opportunities

Emerging developments may involve expansion of spectral libraries with machine learning-assisted classification, integration of chromatographic and mass spectrometric data for broader analytical coverage, and deployment of cloud-based platforms for real-time collaboration across laboratories. Further advances in chemometric algorithms could enhance sensitivity to trace contaminants and support predictive maintenance in manufacturing environments.

Conclusion

EDXIR-Analysis offers a comprehensive solution for combined EDX and FTIR qualitative analysis. Its integrated workflow, customizable library and automated reporting deliver efficient contaminant identification and material verification, supporting quality assurance and regulatory compliance across a variety of sectors.

References

• Shimadzu Corporation First Edition September 2016