Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 83
Pagina 549
... molecular ion peaks shows great variability . In general , the molecular ion is stabilized by the presence of # electron systems that more easily accommodate the loss of an elec- tron . Cyclic structures also give large parent peaks ...
... molecular ion peaks shows great variability . In general , the molecular ion is stabilized by the presence of # electron systems that more easily accommodate the loss of an elec- tron . Cyclic structures also give large parent peaks ...
Pagina 550
... molecular ion . Losses by a molecular ion of fragments hav- ing masses of 19 to 25 are also seldom en- countered unless the compound contains fluorine ( here F at mass 19 and HF at mass 20 can be lost ) . On the other hand , a strong ...
... molecular ion . Losses by a molecular ion of fragments hav- ing masses of 19 to 25 are also seldom en- countered unless the compound contains fluorine ( here F at mass 19 and HF at mass 20 can be lost ) . On the other hand , a strong ...
Pagina 1-12
... Molecular absorption , 106-108 , 107 Molecular concentration ( s ) , deter- mination of , in mass spectrom- etry , 559-561 Molecular fluorescence spectros- copy , 225-244 ( see also Fluo- rescence spectroscopy ) Molecular formula ( s ) ...
... Molecular absorption , 106-108 , 107 Molecular concentration ( s ) , deter- mination of , in mass spectrom- etry , 559-561 Molecular fluorescence spectros- copy , 225-244 ( see also Fluo- rescence spectroscopy ) Molecular formula ( s ) ...
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