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ICP Quality Issues

ICP Operations Guide:
Part 2

By Paul Gaines, Ph.D.
OverviewAccuracyPurityChemical CompatibilityStabilityAvailabilityDocumentationTraceabilityFurther Reading
About us - Inorganic Ventures is a leading manufacturer of inorganic standards and custom standards for ICP-OES, ICP-MS, IC and AAS. More »

Stability

How stable is the standard blend? When a blend is made for the first time and then remade at a later time, a comparison of the two should be made to confirm stability. If there are chemical concerns from the beginning then a fresh blend should be prepared the next analytical day for comparison. Refer to Stability of Elements at ppb Concentration Levels for more information.

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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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