Statements (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
nuclear magnetic resonance spectroscopy
analytical technique |
| gptkbp:alsoKnownAs |
1H NMR
|
| gptkbp:analyzes |
hydrogen nuclei
|
| gptkbp:detects |
chemical environment of protons
|
| gptkbp:firstDemonstrated |
1946
|
| gptkbp:format |
spectrum
chemical shift table integration curve |
| https://www.w3.org/2000/01/rdf-schema#label |
proton NMR
|
| gptkbp:importantFor |
metabolomics
organic chemistry forensic science food chemistry pharmaceutical analysis natural product chemistry polymer analysis petrochemical analysis |
| gptkbp:inventedBy |
gptkb:Edward_Purcell
gptkb:Felix_Bloch |
| gptkbp:limitation |
low sensitivity for dilute samples
overlapping signals paramagnetic impurities can interfere requires deuterated solvents |
| gptkbp:measures |
integration
multiplicity parts per million chemical shift spin-spin coupling |
| gptkbp:provides |
information about functional groups
information about hydrogen atom connectivity information about molecular structure |
| gptkbp:relatedTo |
magnetic resonance imaging
carbon-13 NMR deuterium NMR |
| gptkbp:requires |
magnetometer
radiofrequency radiation |
| gptkbp:sensitivity |
high for hydrogen
|
| gptkbp:spectrumShows |
integration values
peaks for different proton environments splitting patterns |
| gptkbp:type |
gptkb:government_agency
gptkb:stone gptkb:water |
| gptkbp:usedFor |
structure elucidation
compound identification |
| gptkbp:usedIn |
biochemistry
chemistry |
| gptkbp:uses |
deuterated solvents
tetramethylsilane as reference |
| gptkbp:bfsParent |
gptkb:nuclear_magnetic_resonance_spectroscopy_(NMRS)
gptkb:J-coupling |
| gptkbp:bfsLayer |
7
|