What is LOQ? “LOQ” means Limit of Quantitation. LOQ is the lowest concentration at which the analyte can not only be reliably detected but at which some predefined goals for bias and imprecision are met. Updated on July 27, 2019 Tagged: LOQ Was this article helpful? Yes No Related Articles What is CFU? What are mycotoxins? What is pH? What is Water Activity (Aw)? Lab Results Over 100% Purity Are you certified with the State of Colorado?