Uv Visible Spectroscopy
A linear relationship between the intensity of a UV absorbance and the concentration of the analyte.
An inverse relationship between the IR stretching frequency and the energy of light.
An inverse relationship between the IR stretching frequency and the energy of light.
Used to derive a molecular formula from the mass-to-charge ratio of an analyte.
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0.8 - 500µm
400 - 100nm
380 - 750nm
0.01 - 10nm
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Aspirin
Paracetamol
Chloral hydrate
Phenobarbitone
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σ→σ* transitions are lower in energy than π→π* transitions
A conjugated systems of double bonds in a molecular shifts the a absorption maxima to higher wavelengths
σ→σ* transitions are higher in energy than π→π* transitions
B and C
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Buta-1,3-diene
β-carotene.
Ethanol.
Water.
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