Bruker MOBILE-IR II FT-IR SPECTROMETER

Significance of the Topic

The MOBILE-IR II spectrometer offers laboratory-grade infrared analysis in the field, eliminating delays associated with sample transport. Its rugged design and intuitive software support applications across environmental monitoring, forensic investigations, quality control, and industrial exploration.

Objectives and Study Overview

This document presents the design, performance, and practical applications of the MOBILE-IR II. It aims to demonstrate how true FT-IR capabilities can be mobilized for rapid on-site decision making and improved operational efficiency.

Methodology

The instrument employs attenuated total reflectance (ATR) sampling and a wear-free cube corner interferometer to acquire high-quality spectra under harsh conditions. Standard spectral resolution is 2 cm⁻¹ (optionally 0.8 cm⁻¹) across a range of 6000–670 cm⁻¹. Dynamic pressure control and optional heating allow consistent measurement of solids and liquids.

Instrumentation Used

• Diamond ATR interface with high-pressure clamp and heatable trough (up to 80 °C).
• RockSolid™ cube corner interferometer for long-term stability.
• Cryogen-free TE-cooled MCT detector for enhanced sensitivity and speed.
• Ruggedized FT-IR housing (IP65) and transport case (IP67) with vibration-damping base.
• IP65/MIL-STD-810G tablet PC running OPUS TOUCH software.
• Connectivity via Wi-Fi, Ethernet, or USB; LIMS/MES integration through MS SQL or cloud services.

Key Results and Discussion

Field demonstrations include:

• Polymer recycling: real-time identification and sorting of plastics at loading docks.
• Mobile laboratories: on-site soil, archeological, and environmental analyses.
• Forensics: rapid screening of unknown or hazardous materials for first responders and law enforcement.
• Warehouse QC: immediate verification of incoming goods to avoid production delays.
• Harm reduction: chemical testing of recreational substances at festivals.
• Mining exploration: direct analysis of geological samples to guide drilling decisions.

The device consistently delivers high signal-to-noise spectra in challenging environments, confirming its robustness and reliability.

Benefits and Practical Applications of the Method

• Elimination of sample shipping and associated backlogs.
• Enhanced operational safety through rapid hazard identification.
• Improved resource management by enabling immediate quality control.
• Broad usability: minimal training required for guided measurements, with full expert control available.

Future Trends and Opportunities

Advanced integration with cloud-based databases and AI-driven spectral interpretation will further streamline workflows. Continued miniaturization and multi-modal coupling (e.g. Raman or LIBS) could expand in-field analytical capabilities. Emerging battery and communication technologies may enable autonomous or drone-mounted spectrometers.

Conclusion

The MOBILE-IR II redefines field spectroscopy by delivering uncompromised FT-IR performance in a portable format. Its durability, versatile software, and broad application range make it a valuable tool for real-time decision support across research, industry, and public safety.

Reference

Bruker Optics. MOBILE-IR II Technical Datasheet. 2022.