Chemistry A-Level
Chemical shift scale
What Chemical shift scale means in Chemistry A-Level, as defined for OCR.
Definition of Chemical shift scale
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Reference: OCR
Chemical shift is measured relative to a reference so that values from different machines and samples can be compared, with the TMS signal set at δ = 0 ppm.
Topics that use Chemical shift scale
- Spectroscopy (OCR A-Level)
Related terms
- base peak
- Bond vibration and absorption of IR radiation
- Carbon environment
- Carbon-13 NMR and molecular symmetry
- Carbon-13 NMR prediction
- Carbon-13 NMR spectroscopy
- Characteristic bond absorptions in IR
- Characteristic shifts of proton environments
Using Chemical shift scale in the exam
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