Benefits of Using the Agilent Vaya Handheld Raman for Hazardous Materials ID Testing

Importance of the Topic

The identification of hazardous materials and high-potency APIs in pharmaceutical processing is critical for ensuring worker safety and operational efficiency. Traditional sampling methods require opening containers, increasing exposure risk and workflow complexity.

Study Objectives and Overview

This article evaluates the Agilent Vaya handheld Raman spectrometer, featuring spatially offset Raman spectroscopy, for non-invasive identification of raw materials through various packaging types. It aims to demonstrate the technique benefits and practical implementation in quality control settings.

Methodology and Instrumentation

SORS enhances conventional Raman by collecting spectra at offset positions to separate container signals from sample signals. Spectral subtraction yields clean material fingerprints matched against a reference library.

Used Instrumentation

• Agilent Vaya handheld Raman spectrometer
• Divergent near infrared laser at 450 mW
• Software for scaled spectral subtraction and library matching

Main Results and Discussion

• Conventional Raman failed to detect sucrose through 1.5 mm polypropylene, whereas SORS provided clear identification matching library spectra.
• Heat-sensitive compounds such as nitrocellulose and picramic acid were identified without thermal degradation.
• Hazardous materials including methanol, formaldehyde, fluorouracil, and benzoyl peroxide were detected through various container types in seconds.

Benefits and Practical Applications

• No need to open primary or secondary packaging, reducing exposure and contamination risk.
• Eliminates sampling waste and decontamination steps, enhancing productivity.
• Maintains sample integrity and sterility, avoiding spoilage costs.

Future Trends and Potential Applications

Handheld SORS instruments are expected to gain wider adoption with expanded spectral libraries and improved hardware. Potential applications include at-line analysis, field inspections, and monitoring of complex formulations.

Conclusion

The Agilent Vaya handheld Raman spectrometer with SORS capability delivers a safe, rapid, and reliable solution for identifying hazardous pharmaceutical materials through their containers. It streamlines quality control, enhances safety, and supports sustainable operations.

References

1. Matousek P et al. Subsurface Probing in Diffusely Scattering Media Using Spatially Offset Raman Spectroscopy. Applied Spectroscopy 2005;59(4):393-400.
2. Stokes R Presly O. Screening for Sensitive Explosives with Agilent Resolve a Handheld SORS System. Agilent Technologies Application Note 2018; publication 5991-8871EN.