Word.ws English Dictionary

LOQ

LOQ noun: limit of quantification (or limit of quantitation); the lowest concentration of a substance that can be accurately measured under specified experimental. conditions.

Noun (1)

LOQ (plural LOQs)

  1. (initialism) Limit of quantification (or limit of quantitation); the lowest concentration of a substance that can be accurately measured under specified experimental. conditions.
    • Therefore LOD and LOQ evaluation is only necessary for water.2003, Paul De Bièvre, Helmut Günzler, Measurement Uncertainty in Chemical Analysis, →ISBN, page 253
    • For this reason, many regulatory agencies define another limit, the limit of quantitation (LOQ), which is higher than the LOD and should have better precision.2004, James W. Robinson, Eileen M. Skelly Frame, George M. Frame II, Undergraduate Instrumental Analysis, →ISBN, page 59

Noun (2) capitalized: LoQ

LoQ (plural LoQs)

  1. (alternative, initialism) Alternative form of LOQ.
    • Values above the limit of quantification (LoQ) were only obtained in the 'fish' and 'alcoholic beverages' groups, but mean concentration levels in the latter group were very low (4/<gkg~1)4 in comparison to those obtained for the fish group.2001, L. Ebdon, Trace Element Speciation for Environment, Food and Health, →ISBN, page 244
    • If the reproducibility (CV <15%25) and accuracy (>80%) meet a prespecified value, the LoQ is validated.2014, Steven L. Spitalnik, Suzanne Arinsburg, Jeffrey Jhang, Clinical Pathology Board Review, →ISBN, page 36

Examples of LOQ in a sentence

  • It is generally accepted that the LOQ is linked to method performance expectations including accuracy and precision.2005, Jack Cazes, Encyclopedia of Chromatography - Volume 2, →ISBN, page 1448:
  • The required precision for the LOQ is determined (usually = 10%), and for this value the concentration equal to the LOQ is read on the graph.2016, Piotr Konieczka, Jacek Namiesnik, Quality Assurance and Quality Control in the Analytical Chemical Laboratory, →ISBN:

Forms of LOQ

pluralLOQs
alternative formLoQ
pluralLoQs

Questions about LOQ

What does LOQ mean?
LOQ means limit of quantification (or limit of quantitation); the lowest concentration of a substance that can be accurately measured under specified experimental. conditions.
How do you use LOQ in a sentence?
It is generally accepted that the LOQ is linked to method performance expectations including accuracy and precision.
What part of speech is LOQ?
LOQ is a noun.
What is the plural of LOQ?
The plural of LOQ is LOQs.

Words near LOQ in the dictionary

  1. lopsidednesses
  2. lopstick
  3. lopsticks
  4. lopt
  5. Lopătari
  6. LOQ
  7. loq.
  8. LOQs
  9. loquacious
  10. loquaciously
  11. loquaciousness

Source and license

Adapted from Wiktionary: LOQ (page history and authors); LoQ (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “LOQ.” Word.ws, https://word.ws/loq. Based on Wiktionary, CC BY-SA 4.0.