PORTABLE FTIR FORENSICS ANALYZER PACKAGE
Others | 2013 | Agilent TechnologiesInstrumentation
Rapid and reliable identification of unknown substances is critical in forensic investigations, safety screening, and hazardous material response. Portable FTIR analyzers empower field teams to make informed decisions instantly, reducing risk and accelerating workflows.
This document presents the Agilent 4500a portable FTIR forensics analyzer package designed for on site analysis of liquids and solids with minimal preparation. It compares two instrument options for field and laboratory deployment, outlines spectral library choices, and highlights performance characteristics.
The system employs Fourier transform infrared attenuated total reflection spectroscopy to capture mid-infrared spectra of samples. A diamond ATR crystal provides a single-reflection interface that is chemically resistant and requires little or no sample preparation. Spectral acquisitions span 4000 to 650 wave numbers at selectable resolutions of 4 to 32 wave numbers.
The portable analyzer identifies unknowns in under one minute by matching collected spectra against a dedicated forensic ATR library. Two library resolutions support different use cases: an 8 wave number resolution database on the PDA for rapid screening and a 4 wave number resolution library on PC for higher accuracy. The comprehensive library contains over 13,000 spectra covering drugs, explosives, toxins, high production volume chemicals, and other forensic categories.
Cloud integration for real-time library updates and remote collaboration will expand the utility of portable FTIR. Miniaturized detectors and improved battery technologies promise further reductions in size and weight. Advanced chemometric algorithms and machine learning could enable identification in complex mixtures and trace detection scenarios.
The Agilent 4500a portable FTIR forensics analyzer offers a robust solution for rapid in situ substance identification. Its combination of reliable mid-IR spectroscopy, durable design, and comprehensive spectral databases meets the needs of forensic scientists, safety teams, and regulatory agencies.
FTIR Spectroscopy
IndustriesForensics
ManufacturerAgilent Technologies
Summary
Importance of the topic
Rapid and reliable identification of unknown substances is critical in forensic investigations, safety screening, and hazardous material response. Portable FTIR analyzers empower field teams to make informed decisions instantly, reducing risk and accelerating workflows.
Objectives and overview
This document presents the Agilent 4500a portable FTIR forensics analyzer package designed for on site analysis of liquids and solids with minimal preparation. It compares two instrument options for field and laboratory deployment, outlines spectral library choices, and highlights performance characteristics.
Methodology
The system employs Fourier transform infrared attenuated total reflection spectroscopy to capture mid-infrared spectra of samples. A diamond ATR crystal provides a single-reflection interface that is chemically resistant and requires little or no sample preparation. Spectral acquisitions span 4000 to 650 wave numbers at selectable resolutions of 4 to 32 wave numbers.
Instrumentation
- 4500a portable FTIR spectrometer with diamond ATR sampling interface and integrated PDA controller running MicroLab Mobile software
- 5500a compact FTIR spectrometer for laboratory use with diamond ATR interface and MicroLab PC software
- Mobile device (PDA) for direct operation in the field
- Optional laptop for high-resolution data analysis
Main results and discussion
The portable analyzer identifies unknowns in under one minute by matching collected spectra against a dedicated forensic ATR library. Two library resolutions support different use cases: an 8 wave number resolution database on the PDA for rapid screening and a 4 wave number resolution library on PC for higher accuracy. The comprehensive library contains over 13,000 spectra covering drugs, explosives, toxins, high production volume chemicals, and other forensic categories.
Benefits and practical applications
- Field-ready performance with minimal sample preparation and rugged design
- Fast and accurate substance identification supports law enforcement and safety operations
- Extensive spectral library tailored to forensic and hazardous materials screening
- Lightweight unit with internal battery and USB connectivity for flexible deployment
Future trends and opportunities
Cloud integration for real-time library updates and remote collaboration will expand the utility of portable FTIR. Miniaturized detectors and improved battery technologies promise further reductions in size and weight. Advanced chemometric algorithms and machine learning could enable identification in complex mixtures and trace detection scenarios.
Conclusion
The Agilent 4500a portable FTIR forensics analyzer offers a robust solution for rapid in situ substance identification. Its combination of reliable mid-IR spectroscopy, durable design, and comprehensive spectral databases meets the needs of forensic scientists, safety teams, and regulatory agencies.
References
- Rein A Identification of illicit drugs and hazardous compounds with the Agilent 4500a FTIR Spectrometer
- Agilent Technologies Portable FTIR Forensics Analyzer Application Note 5991-3285EN
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