易于
发表于 2025-3-25 03:21:23
Gas Phase Ion Chemistry,ss spectrometry with all technical facets available, and for the successful interpretation of mass spectra because “Analytical chemistry is the application of physical chemistry to the real world.”
chronology
发表于 2025-3-25 09:29:35
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北极熊
发表于 2025-3-25 13:53:03
Electron Ionization, represents an important technique for the analysis of low- to medium-polarity, non-ionic organic compounds in the range of molecular weights up to .. ≈ 1000. Until recent years, EI has been termed . or simply . (EI).
HOWL
发表于 2025-3-25 16:00:05
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bronchiole
发表于 2025-3-25 23:20:23
Chemical Ionization,ed in numerous different ways, meanwhile providing experimental conditions for a wide diversity of analytical tasks. The monograph by Harrison is especially recommended for further reading.
变形
发表于 2025-3-26 01:40:30
Electrospray Ionization,reason for the extraordinary high-mass capability of ESI is found in the characteristic formation of multiply charged ions in case of high-mass analytes. Multiple charging folds up the . scale by the number of charges and thus compresses the ions into the . range of standard mass analyzers (Fig. 11.1 and Chap. 3.5)
挖掘
发表于 2025-3-26 07:22:29
Introduction,aries sequence bio-molecules, and help explore single cells or other planets. Structure elucidation of unknowns, environmental and forensic analytics, quality control of drugs, flavors and polymers: they all rely to a great extent on mass spectrometry.
锉屑
发表于 2025-3-26 12:32:17
Matrix-Assisted Laser Desorption/Ionization,obtain useful spectra of biomolecules, in particular when the mass of the analytes approaches some 10. u. Until the ending 1980s, FAB and .Cf-PD were by far more effective than LDI in generating good mass spectra from biological samples.
同位素
发表于 2025-3-26 15:09:00
o organic mass spectrometry from other fields.Fills the gap When non-mass spectrometrists are talking about mass spectrometry it rather often sounds as if they were telling a story out of Poe‘s Tales of Mystery and Imagi- tion. Indeed, mass spectrometry appears to be regarded as a mysterious method,
forbid
发表于 2025-3-26 19:27:55
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