Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 93
Pagina 255
... Atomic Fluorescence Spectra . Atoms in a flame can be made to fluoresce by irradiation with an intense source containing wavelengths that are absorbed by the element . The fluo- rescence spectra is most conveniently mea- sured at an ...
... Atomic Fluorescence Spectra . Atoms in a flame can be made to fluoresce by irradiation with an intense source containing wavelengths that are absorbed by the element . The fluo- rescence spectra is most conveniently mea- sured at an ...
Pagina 258
... atoms in the 3p excited states to the num- ber in the ground state at 2500 and 2510 ° K . In order to calculate E , in Equation 9-1 , we employ an average wavelength of 5893 Å for the two sodium emission lines involving the 3p → 3s ...
... atoms in the 3p excited states to the num- ber in the ground state at 2500 and 2510 ° K . In order to calculate E , in Equation 9-1 , we employ an average wavelength of 5893 Å for the two sodium emission lines involving the 3p → 3s ...
Pagina 289
... atomic absorption spectroscopy . Atoms moving toward the light source see a higher frequency than do atoms moving away from the source . The difference in wavelength , △ λ , experienced by an atom moving at speed v ( compared to one at ...
... atomic absorption spectroscopy . Atoms moving toward the light source see a higher frequency than do atoms moving away from the source . The difference in wavelength , △ λ , experienced by an atom moving at speed v ( compared to one at ...
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