Question
Giving suitable examples, discuss the role of masking agents in extractions.
Answer :
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Masking agents play an important role in extraction processes by selectively binding or chemically modifying interfering ions so that they do not react or get extracted under the given conditions. In separation techniques, especially solvent extraction, masking improves selectivity, enhances accuracy, and prevents the co-extraction of unwanted species. This is particularly useful when analytes are present in complex mixtures containing ions with similar chemical properties. A masking agent forms a stable complex with the interfering metal
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