Claim: A masking agent is a reagent used in chemical analysis which reacts with chemical species that may interfere in the analysis, while in sports it is used to hide or prevent detection of a banned substance or illegal drugs like anabolic steroids or stimulants.
Evidence: A masking agent is a reagent used in chemical analysis which reacts with chemical species that may interfere in the analysis. In sports a masking agent is used to hide or prevent detection of a banned substance or illegal drug like anabolic steroids or stimulants.