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it is the absorption maximum for formaldehyde...

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βˆ™ 12y ago
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βˆ™ 7mo ago

Formaldehyde absorbs light most strongly at a wavelength of around 412 nm due to its electronic structure. By using 412 nm in UV-Vis analysis, we can employ the maximum absorbance of formaldehyde to accurately quantify its concentration in a sample. This wavelength is chosen based on the specific molecular properties of formaldehyde that enable it to interact with light most effectively.

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Q: Why to analyze formaldehyde by using 412 nm in the Uv-Vis?
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