Standard addition
Method in analytical chemistry / From Wikipedia, the free encyclopedia
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The Standard addition method, often used in analytical chemistry, quantifies the analyte present in an unknown. This method is useful for analyzing complex samples where a matrix effect interferes with the analyte signal. In comparison to the calibration curve method, the standard addition method has the advantage of the matrices of the unknown and standards being nearly identical.[1] This minimizes the potential bias arising from the matrix effect when determining the concentration.