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If you think about the root word, "mask", it is an item we put on or take off ("de"-prefix). So an agent (a chemical), in this case, would mask something else. Demasking (usually achieved by a second product/chemical) would take off or reveal what is beneath the first item/chemical/agent.

I'm sorry I don't know a good chemical agent to use as an example.

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βˆ™ 14y ago
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βˆ™ 5mo ago

Masking agents are substances that are used to conceal the presence of a particular analyte in a sample, making it undetectable. Demasking agents, on the other hand, are used to reverse the masking effect and reveal the analyte for detection and analysis. Both are commonly used in analytical chemistry to manipulate and control the detection of specific compounds in samples.

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Q: What is meant by masking and demasking agents?
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