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The standard addition would be used when determining the concentration of a sample because of matrix effect problems (matrix effect occurs when unknown sample contains many impurities).
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∙ 13y ago
The standard addition method is typically used in analytical chemistry when analyzing samples with unknown concentrations, where a known amount of standard solution is added to the sample to create a series of solutions with different concentrations. This method is particularly useful when the matrix of the sample interferes with other quantitative methods.
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