Difference between revisions of "Detection limit"
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+ | The detection limit of an instrument should be differentiated from sensitivity. The detection limit reflects the smallest flow of sample or the lowest partial pressure that gives a signal that can be distinguished from the background noise. One must specify the experimental conditions used and give the value of signal-to-noise ratio corresponding to the detection limit. | ||
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== [[Orange Book]] Entry == | == [[Orange Book]] Entry == |
Revision as of 05:10, 2 December 2005
DRAFT DEFINITION |
Detection limit |
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The detection limit of an instrument should be differentiated from sensitivity. The detection limit reflects the smallest flow of sample or the lowest partial pressure that gives a signal that can be distinguished from the background noise. One must specify the experimental conditions used and give the value of signal-to-noise ratio corresponding to the detection limit. |
Considered between 2004 and 2006 but not included in the 2006 PAC submission |
This is an unofficial draft definition presented for information and comment. |
Orange Book Entry
The detection limit reflects the smallest amount of sample or the lowest partial pressure that gives a signal that can be distinguished from the background noise. It is recommended that a signal-to-noise ratio of 2:1 be used to define the detection limit.
See also {Orange Book Chapter} 18.4.3.7 and 2.4.