Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 71
Pagina 194
... Hydrogen ) Lamps . A truly continuous spectrum in the ultraviolet region is pro- duced by electrical excitation of deuterium or hydrogen at low pressure . The mecha- nism by which a continuous spectrum is produced involves initial ...
... Hydrogen ) Lamps . A truly continuous spectrum in the ultraviolet region is pro- duced by electrical excitation of deuterium or hydrogen at low pressure . The mecha- nism by which a continuous spectrum is produced involves initial ...
Pagina 577
... hydrogen ion activity of exactly unity ; no adequate theory exists to permit evalua- tion of the activity coefficient of hydrogen ions in a solution in which the ionic strength is as great as unity , as required by the defini- tion ...
... hydrogen ion activity of exactly unity ; no adequate theory exists to permit evalua- tion of the activity coefficient of hydrogen ions in a solution in which the ionic strength is as great as unity , as required by the defini- tion ...
Pagina 596
... hydrogen reference electrodes in order to lower the current density to a point where the overvoltage is negligible . The high overvoltage associated with the formation of hydrogen permits the electro- lytic deposition of several metals ...
... hydrogen reference electrodes in order to lower the current density to a point where the overvoltage is negligible . The high overvoltage associated with the formation of hydrogen permits the electro- lytic deposition of several metals ...
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