Vertaile menetelmiä
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| FT-ICR-massaspektrometria× | ATR-FTIR× | |
|---|---|---|
| Tieteenala | Spektroskopia | Spektroskopia |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 1974 | 1961 |
| Kehittäjä≠ | Alan Marshall | Joop Fahrenfort |
| Tyyppi≠ | Mass spectrometry technique | Vibrational spectroscopy technique |
| Alkuperäislähde≠ | Comisarow, M. B., & Marshall, A. G. (1974). Fourier transform ion cyclotron resonance spectroscopy. Chemical Physics Letters, 25(2), 282-283. DOI ↗ | Harrick, N. J. (1960). Study of physics of internal reflection from metals. Journal of Physics and Chemistry of Solids, 13(2), 143-155. link ↗ |
| Rinnakkaisnimet | FT-ICR-MS, Fourier Transform ICR, ICR mass spectrometry | ATR-IR, attenuated total reflectance, FTIR spectroscopy |
| Liittyvät≠ | 4 | 3 |
| Tiivistelmä≠ | Fourier Transform Ion Cyclotron Resonance (FT-ICR) mass spectrometry is an advanced analytical technique that combines magnetic confinement of ions with Fourier transform data processing to achieve exceptional mass accuracy and resolution. Developed by Comisarow and Marshall in 1974, FT-ICR-MS enables the determination of exact masses and elemental compositions of complex molecules, making it invaluable for environmental chemistry, metabolomics, petroleum characterization, and structural elucidation of unknowns. | Attenuated Total Reflectance (ATR) Fourier Transform Infrared (FTIR) spectroscopy is a variant of conventional FTIR that measures infrared absorption through evanescent-wave interrogation of samples in direct contact with a high-refractive-index crystal. Developed by Harrick and Fahrenfort in the 1960s, ATR-FTIR is now the dominant form of FTIR spectroscopy, enabling rapid, non-destructive characterization of organic compounds, polymers, coatings, and biological materials without extensive sample preparation. |
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