Roosevelt
发表于 2025-3-21 16:40:01
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echnic
发表于 2025-3-21 21:22:28
Infrared and Raman Spectra,dard practice uses a frequency scale in the form of wavenumbers, which are the reciprocals of the wavelength, cm.. The useful range of the infrared for an organic chemist is between 4000 cm. at the high-frequency end and 600 cm. at the low-frequency end.
judiciousness
发表于 2025-3-22 04:13:14
2D-Nuclear Magnetic Resonance Spectra,ne axis and the nuclei giving the signals on the other axis. If both axes have spectra derived from the same element, the spectra are said to be .. If the spectra on the two axes are from different elements they are said to be ..
Efflorescent
发表于 2025-3-22 07:11:07
pic methods in organic chemistry for students.Includes probl.This book is a well-established guide to the interpretation of the mass, ultraviolet, infrared and nuclear magnetic resonance spectra of organic compounds. It is designed for students of organic chemistry taking a course in the application
门窗的侧柱
发表于 2025-3-22 09:03:46
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FLACK
发表于 2025-3-22 13:12:28
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不适当
发表于 2025-3-22 17:06:43
Infrared and Raman Spectra,measured either in an infrared spectrum or indirectly in a Raman spectrum. The most useful vibrations, from the point of view of the organic chemist, occur in the narrower range of 3.5–16 μm (1 μm = 10. m). The position of an absorption band in the spectrum may be expressed in microns (μm), but stan
Coeval
发表于 2025-3-22 21:18:48
1D Nuclear Magnetic Resonance Spectra,tic field the nuclear magnets can orient themselves in 2. + 1 ways. Those nuclei with an odd mass number have nuclear spins of 1/2, or 3/2, or 5/2, …, etc. (given in the first table at the end of this chapter). In the applications of NMR spectroscopy in organic chemistry, the five most important nuc
SLUMP
发表于 2025-3-23 01:49:10
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挑剔小责
发表于 2025-3-23 06:00:34
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