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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
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Evaluation of volume and matrix effects for the generalized standard addition method
1Department of Chemistry, Idaho State University, Pocatello, ID 83209, U.S.A.
Talanta
|November 1, 1987
Summary
A volume-dependent issue with the generalized standard addition method (GSAM) was identified and corrected. The revised method accurately analyzes samples with salt and acetone matrix effects using plasma spectroscopy.
Area of Science:
- Analytical Chemistry
- Spectroscopy
Background:
- The generalized standard addition method (GSAM) is widely used for quantitative analysis.
- A volume-dependent deficiency in GSAM can lead to inaccurate results, particularly in complex matrices.
Purpose of the Study:
- To evaluate and correct a volume-dependent problem in the generalized standard addition method (GSAM).
- To demonstrate the improved accuracy of the revised GSAM in the presence of matrix effects.
Main Methods:
- Mathematical evaluation of the GSAM deficiency.
- Experimental validation of the corrected GSAM.
- Application of the revised GSAM with direct current plasma spectroscopy.
Main Results:
- A mathematical and experimental correction for the volume-dependent GSAM deficiency was developed.
- The revised GSAM effectively compensated for salt and acetone matrix effects.
- Accurate quantitative analysis was achieved in challenging sample matrices.
Conclusions:
- The identified volume-dependent problem in GSAM can be mathematically and experimentally corrected.
- The revised GSAM provides accurate results in the presence of significant matrix effects.
- Direct current plasma spectroscopy combined with the revised GSAM is a robust analytical technique.
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