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Single-element solution comparisons with a high-performance inductively coupled plasma optical emission spectrometric
M L Salit1, G C Turk, A P Lindstrom
1Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899-8391, USA. salit@nist.gov
Analytical Chemistry
|October 30, 2001
Summary
A new solution-based inductively coupled plasma optical emission spectrometric (ICP-OES) method achieves 0.1% uncertainty for elemental analysis. This high-performance ICP-OES offers superior accuracy for 64 elements.
Area of Science:
- Analytical Chemistry
- Spectroscopy
Background:
- Inductively coupled plasma optical emission spectrometry (ICP-OES) is a widely used technique for elemental analysis.
- Improving the precision and accuracy of ICP-OES remains a key objective in analytical chemistry.
Purpose of the Study:
- To develop and present a solution-based ICP-OES method with significantly improved performance.
- To demonstrate the capability of determining 64 different elements with high accuracy.
Main Methods:
- Utilized contemporary spectrometers to their full potential.
- Implemented strategies to mitigate measurement and sample handling noise.
- Developed a robust method for elemental determination with minimal uncertainty.
Main Results:
- Achieved relative expanded uncertainties on the order of 0.1% for single-element determinations.
- Presented aggregate performance results for the method across 64 elements.
- Demonstrated superior performance compared to previously reported ICP-OES methods.
Conclusions:
- The developed technical strategies constitute a high-performance ICP-OES.
- The method enables accurate elemental analysis with unprecedented precision.
- This approach advances the capabilities of ICP-OES for various applications.