Razón española, Edizioni 21-26Fundación Balmes, 1983 |
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Pagina 118
... excited to the slightly higher vibrational level E " ' . The life- time of excited vibrational states is brief , however ; after 10-13 to 10-15 sec , relaxation to the lowest excited vibrational level ( E , in diagram a − 3 ) occurs ...
... excited to the slightly higher vibrational level E " ' . The life- time of excited vibrational states is brief , however ; after 10-13 to 10-15 sec , relaxation to the lowest excited vibrational level ( E , in diagram a − 3 ) occurs ...
Pagina 227
... excited to a higher energy level , a singlet or a triplet state is permitted . In the excited singlet state , the spin of the pro- moted electron is still paired with the ground - state electron ; in the triplet state , however , the ...
... excited to a higher energy level , a singlet or a triplet state is permitted . In the excited singlet state , the spin of the pro- moted electron is still paired with the ground - state electron ; in the triplet state , however , the ...
Pagina 229
... excited state and the molar absorptivity of the ab- sorption peak corresponding to the excita- tion process . Thus , for molar absorptivities in the 103 to 105 range , lifetimes of excited states are 10- to 10-9 sec . For weakly ab ...
... excited state and the molar absorptivity of the ab- sorption peak corresponding to the excita- tion process . Thus , for molar absorptivities in the 103 to 105 range , lifetimes of excited states are 10- to 10-9 sec . For weakly ab ...
Sommario
Contents | 1 |
Elementary Electronics | 30 |
Microcomputers and Microprocessors in Chemical Instrumentation | 80 |
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absorbance absorption acid amplifier Anal analysis analyte analytical signal anode applications atoms beam Beer's law Calculate cathode cell Chem chemical chromatography circuit column components compounds concentration constant containing coulometric curve detector determination device dispersion effect elec electrical electrode elements emission employed energy Equation example excited filter flame fluorescence frequency function hydrogen infrared input instruments ionization iron(II liquid magnetic mass mass spectrometer measurements membrane ment methods mobile phase molar absorptivities molecular molecules monochromator obtained operational amplifier optical output oxidation particles peak photomultiplier plate polarized polarography potential prism protons pulse quantitative radiation Raman range reaction reagent refractive refractive index region relative rotation sample sensitivity shown in Figure signal slit solution solvent species spectra spectrometer spectrophotometer spectroscopy spectrum standard deviation stationary phase surface temperature tion titration trode tube typical ultraviolet V₁ vibrational voltage wave wavelength X-ray