Automated Metal Analysis Using Flow Injection and Plasma Spectroscopy
Author Information
Author(s): M. C. Brennan, R. A. Simons, G. Svehla, P. B. Stockwell
Primary Institution: University College Cork, Ireland
Hypothesis
An automated routine method can improve the determination of trace metals using flow injection coupled with direct current plasma optical emission spectroscopy.
Conclusion
The developed technique allows for rapid and routine determination of approximately 70 elements in both aqueous and non-aqueous solvents with high precision and accuracy.
Supporting Evidence
- The technique allows for the determination of about 70 elements at trace concentration levels.
- Automation significantly reduces sample preparation time and errors.
- Flow injection analysis provides a high sample throughput and minimizes baseline drift.
Takeaway
This study shows how a computer can help quickly and accurately find tiny amounts of metals in liquids, making it easier to test many samples at once.
Methodology
The study utilized a flow injection system with a direct current plasma spectrometer to analyze metal concentrations.
Limitations
The method can only analyze one element at a time and may have reduced sensitivity compared to continuous nebulization.
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