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Lowest analytically quantifiable determination

Lowest amount of the analyte in the sample which can be detected but not necessarily quantified as an exact value. LOD is expressed as a concentration or a quantity derived from the smallest signal xLi which can be detected with a reasonable certainty for an analytical procedure. The LOD can be determined using the equation xL = xbl +ksbl with xbl and sbl as the mean value and the standard deviation of blank, respectively. LOD of an element or element species is often used as 3sbl (3cr) of blank.3... [Pg.474]

The limit of quantification, LOQ, is a figure of merit that expresses the ability of a measurement process to quantify adequately an analyte and it is defined as the lowest amount or concentration of analyte that can be determined with an acceptable level of precision and accuracy [73]. In practice, the... [Pg.231]

Detection limit the lowest concentration value which can be detected by the sensor in question, under definite conditions. Whether or not the analyte can be quantified at the detection limit is not determined. Procedures for evaluation of the detection limit depend on the kind of sensor considered. [Pg.13]


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See also in sourсe #XX -- [ Pg.58 , Pg.59 ]




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