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Key Instrument Parameters

ICP Operations Guide:
Part 9

By Paul Gaines, Ph.D.
OverviewGas Flow RatesApplied Power for ICP-OESFurther Reading
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Overview

The performance characteristics of an ICP is a function of a variety of instrumental parameters. Current instrumentation has many parameters that are fixed by the manufacturer and all instrumentation will come with recommended settings for those parameters that are not. The purpose of this section is to point out the key parameters that will require adjustment on a regular basis. This discussion will be limited to the introduction of the analyte as a nebulized solution and Ar as the plasma gas.

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ICP Operations Guide
Table of Contents 1. Elemental and Matrix Compatibility 2. ICP Quality Issues 3. Handling, Preparation and Storage of Standards 4. Sample Introduction Systems 5. Nebulizers, Spray Chambers and Torches 6. Compatibility and Precision Issues 7. Linearity and Detection Limits 8. Spectral Interference: Types, Avoidance and Correction 9. Key Instrument Parameters 10. Calibration Curve and Standard Additions Techniques 11. Internal Standardization and Isotope Dilution 12. Common Problems with Hg, Au, Si, Os and Na 13. Common Problems with Ag, As, S, Ba, Pb and Cr 14. Accuracy, Precision, Mean and Standard Deviation 15. Significant Figures and Uncertainty 16. Traceability
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