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Limit of quantitation

Seen on reporting limits.

Definition

The lowest amount that can be measured with acceptable precision and accuracy. It is the floor on any reported numeric result, and it is why a certificate says "less than" a value rather than reporting a smaller one.

Related terms

Limit of detection
The lowest amount that can be reliably distinguished from noise, but not necessarily measured accurately.
Reporting limit
The threshold at or above which the laboratory will report a numeric value for a given analyte on a given method.

About quantitation and content

How much is actually there, on what basis, and against what standard.

Peptide contentLabel claimPeptide base versus gross saltCounter-ionResidual moistureReference standardCalibration curveLinearityWorking rangeRecoveryMeasurement uncertaintyMatrix effect

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