New Method for Polarographic Standardization

Porter, J. T.

doi:10.1021/ac60131a020

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The Internal Standard Calibration1

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2017

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Cited by 5 publications

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“…The method of internal standard calibration (ISC) was first applied in the 1950s in several analytical fields [37][38][39][40][41]. This method is especially useful when the analytical response varies slightly from run to run due to different causes, for instance:…”

Section: The Internal Standard Calibrationmentioning

confidence: 99%

Practical Considerations on Indirect Calibration in Analytical Chemistry

González¹

2017

Uncertainty Quantification and Model Calibration

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Indirect or methodological calibration in chemical analysis is outlined. The establishment of calibration curves is introduced and discussed. Linear calibration is presented and considered in three scenarios commonly faced in chemical analysis: external calibration (EC) when there are no matrix effects in the sample analysis; standard addition calibration (SAC) when these effects are present and internal standard calibration (ISC) in cases of intrinsic variability of the analytical signal or possible losses of the analyte in stages prior to the measurement. In each kind of calibration, the uncertainty and confidence interval for the determined analyte concentration are given.

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