Rapid Sample Assessment and Simplified Method Development with IntelliQuant

Significance of the Topic

Routine quantitative analyses often miss unexpected elements of interest, posing risks in food safety, mineral valuation, and method development. Rapid screening tools ensure comprehensive element detection, enhance quality control, and streamline analytical workflows.

Objectives and Overview of the Study

This technical overview presents Agilent IntelliQuant, a software feature for ICP-OES that expands conventional methods by identifying and semi-quantifying up to 70 additional elements in a single measurement. The goal is to enable rapid sample assessment and simplify method development without extra standards or extended run times.

Methodology and Instrumentation

IntelliQuant performs a full wavelength scan (167–785 nm) using Agilent’s VistaChip II CCD detector, adding as little as 15 seconds per sample. Default factory calibrations for axial, radial, and Synchronous Vertical Dual View (SVDV) modes estimate element concentrations. Accuracy can be improved via Agilent’s IntelliQuant Calibration Kit or fully custom multi-element calibrations. The software provides a periodic table heat map and detailed spectrum view, with adjustable peak detection thresholds.

Main Results and Discussion

Five pre-digested food CRMs and three environmental CRMs were analyzed on a 5110 SVDV ICP-OES. Semi-quantitative recoveries for most elements fell within ±20% of certified values after retrospective wavelength selection to avoid spectral interferences. The heat map visualization enabled instant assessment of element presence and relative concentration levels. Full scans guided optimal wavelength choices for subsequent quantitative analyses.

Advantages and Practical Applications

• Rapid screening: identifies up to 70 elements in seconds without altering routine methods.
• Semi-quantitative accuracy: recoveries within ±20% of certified values using factory or updated calibrations.
• Method development: full spectra reveal unknown elements and interferences, simplifying wavelength selection.
• Retrospective analysis: alternative wavelengths can be applied post-run to correct interferences.

Future Trends and Opportunities

Integration with automated sample handling and AI-driven data interpretation could further accelerate elemental screening. Expanded detector technologies and enhanced calibration libraries may extend the range and precision of semi-quantitative analysis, supporting real-time decision making in diverse industries.

Conclusion

Agilent IntelliQuant offers a powerful, fully integrated approach to rapid multi-element screening in ICP-OES. By combining fast full-wavelength scans, user-friendly visualizations, and flexible calibrations, laboratories can enhance quality control, streamline method development, and ensure no critical element goes undetected.

References

• Agilent Technologies. 2014. CCD and CID solid-state detectors. Publication 5991-4854EN.
• Agilent Technologies. 2017. Rapid Sample Assessment and Simplified Method Development with IntelliQuant. Publication 5991-6876EN.