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many solvents are IR active. Organic liquids may have solvents in them if not dried properly and these solvents may interfere with the IR spectrum of the liquid compounds

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11y ago
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1d ago

Organic liquids must be dried before running an IR spectrum to remove any water or solvents present in the sample. Water and solvent peaks may overlap with the peaks of interest in the IR spectrum, interfering with the analysis and leading to inaccurate results. Additionally, the presence of water or solvents can affect the baseline of the spectrum, making it difficult to interpret the data.

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Q: Why organic liquid must be dried before IR spectrum is run?
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