masking agent वाक्य

Swimmer Yevgeniya Yermakova of Kazakstan was dumped from the Olympics after testing positive for a drug masking agent.
But the International Rugby Board outlaws probenecid because it can be used as a masking agent for steroids.
And never, ever, did I see any scientific publication mention the use of Pseudophedrin etc . as masking agents.
Masking agents are carboxylic acids, such as acetic acid, used to suppress formation of polychromium ( III ) chains.
But when four more Chinese were thrown out for using banned masking agents, their violations quickly overshadowed the competition.

Bromantan is a stimulant and a masking agent common in Russia and other countries of the former Soviet Union.
Besides being a drug to enhance antibiotics, it can also be used as a masking agent for steroid use.
The IOC said Chanu tested positive for furosemide, a banned diuretic which can be used as a masking agent.
FIFA Spokesman Andreas Herren said the medication was banned because it acted as a masking agent for other drugs.
Among the substances banned by the NFL are diuretics, which are typically used as masking agents to avoid detection.