Division 3.1.1.5 Calibration curves
United Kingdom
When calibration curves are used for quantification:
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at least five levels (including zero) should be used in the construction of the curve,
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the working range of the curve should be described,
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the mathematical formula of the curve and the goodness-of-fit of the data to the curve should be described,
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acceptability ranges for the parameters of the curve should be described.
When serial calibration based on a standard solution is necessary, acceptable ranges shall be indicated for the parameters of the calibration curve, which may vary from series to series.