How does electromagnetic radiation affect molecules?
The energy of molecules is quantised just as it is in atoms. When a molecule absorbs a photon of electromagnetic
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Category: Spectroscopy
Mass spec, IR and NMR exam question booklet
This is not just another set of exam questions with exam board style mark schemes. You can find plenty
Explaining C=O absorption bands in IR spectroscopy
Your may have noticed on the data sheet that the wavenumber for the absorption of C=O bonds very much depends
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Interpreting an infrared spectrum
An IR spectrum plots of the percentage of radiation that passes through a sample (transmittance) vs. the wavenumber of the
What is infrared spectroscopy?
Infrared spectroscopy is a really useful analytical technique for determining whether there are key bonds in a molecule (C=O, O-H,
Everything you need to know about C-13 NMR spectroscopy
13C NMR signals are considerably weaker than 1H NMR signals because the natural abundance of 13C is 1.1%. We also
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Everything you need to know about proton (H-1) NMR Spectroscopy
In proton or 1H NMR spectroscopy the sample is dissolved in a solvent such as tetrachloromethane, CCl4, or trichlorodeuteriomethane, CDCl3
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