cross reactivity

https://doi.org/10.1351/goldbook.08721
Ability of substances other than the analyte to bind to the binding reagent and ability of substances other than the binding reagent to bind the analyte in competitive binding assays.
Note:
The binding described here is known as cross reaction.
Source:
PAC, 2021, 93, 69. (Vocabulary of radioanalytical methods (IUPAC Recommendations 2020)) on page 75 [Terms] [Paper]