Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 62
Pagina 174
... spectrophotometer , proper slit adjustment can be determined by obtaining spectra at progressively narrower slits until peak heights become constant . Generally , con- stant peak heights are observed when the effective bandwidth of the ...
... spectrophotometer , proper slit adjustment can be determined by obtaining spectra at progressively narrower slits until peak heights become constant . Generally , con- stant peak heights are observed when the effective bandwidth of the ...
Pagina 175
... Spectrophotometer Designs A host of instruments are available commer- cially for absorbance measurements in the ultraviolet , visible , and infrared spectral ... Spectrophotometer Designs 175 6C Photometer and Spectrophotometer Designs, 160.
... Spectrophotometer Designs A host of instruments are available commer- cially for absorbance measurements in the ultraviolet , visible , and infrared spectral ... Spectrophotometer Designs 175 6C Photometer and Spectrophotometer Designs, 160.
Pagina 201
FIGURE 7-11 Schematic diagram of the Beckman DU® - 2 Spectrophotometer . ( By permission , Beckman Instruments , Inc ... Spectrophotometers . One manufacturer is now offering a line of com- puterized , recording , single - beam spectro ...
FIGURE 7-11 Schematic diagram of the Beckman DU® - 2 Spectrophotometer . ( By permission , Beckman Instruments , Inc ... Spectrophotometers . One manufacturer is now offering a line of com- puterized , recording , single - beam spectro ...
Sommario
Contents | 1 |
Elementary Electronics | 30 |
Microcomputers and Microprocessors in Chemical Instrumentation | 80 |
Copyright | |
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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