detection limit


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detection limit

[di′tek·shən ‚lim·ət]
(analytical chemistry)
In chemical analysis, the minimum amount of a particular component that can be determined by a single measurement with a stated confidence level.
References in periodicals archive ?
The required sensitivity for low strength and moderate toughness steel pipelines is within many ELI tool defect detection capabilities, but the required detection limits for higher strength and lower toughness pipes and very short or very deep crack defects represent a technology development challenge.
A convenient way of describing the noise properties of a sensor is in terms of detection limit, defined as the value of the measured corresponding to a signal-to-noise ratio of one.
In such cases, the speed of detection can save a patient's life, but the significance of low detection limit and high specificity can't be overlooked, either.
More recently, detection limits for selected Aroclors determined by liquid-liquid partitioning followed by headspace solid-phase microex-traction and gas chromatography atomic emission detection are reported as 0.
Three samples exceeded the detection limit for copper and ten other samples contained greater than 5,000 ppm Cu.
5 kilograms of infected neural tissue from a cow just below the BSE detection limit at slaughter to have a similar degree of exposure as the monkeys.
After one year, the total phosphorus concentrations also decreased and were below the detection limit of 0.
Online version of the TOC-Vc Series Analyzers is equipped with a detection limit of 4 ppb and measurement capability up to 25,000 ppm.
The lab found no detectable trans fats in any of the samples, with a detection limit of 0.
In conclusion, the amounts measured by the AA were recorded at the lowest detection limit of the machine and, any lower amounts of Hg could not have been detected.
A new Standard Practice for Determining a Detection Limit for Asbestos Measurements Based on Counts is being developed by scientists serving on American Society for Testing and Materials (ASTM) Subcommittee D22.
With a range from 10 ppm to 1% moisture and a detection limit of 10 micrograms of water, it is said to produce test results in as little as 3 min.

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