Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 82
Pagina 200
... range of the instrument shown in Figure 7-10a is from 340 to 625 nm ; an accessory phototube extends this range to 950 nm . Other specifications for the instru- ment include a bandwidth of 20 nm and a wavelength accuracy of ± 2.5 nm ...
... range of the instrument shown in Figure 7-10a is from 340 to 625 nm ; an accessory phototube extends this range to 950 nm . Other specifications for the instru- ment include a bandwidth of 20 nm and a wavelength accuracy of ± 2.5 nm ...
Pagina 626
... range of 1 to 14 . 20D - 2 COMMERCIAL INSTRUMENTS A wide variety of ion meters are available from several instrument manufacturers . For example , a 1975 publication13 listed over one hundred models offered by more than twenty companies ...
... range of 1 to 14 . 20D - 2 COMMERCIAL INSTRUMENTS A wide variety of ion meters are available from several instrument manufacturers . For example , a 1975 publication13 listed over one hundred models offered by more than twenty companies ...
Pagina 802
... Range of data given . X FIGURE 27-13 Mobile - phase classification triangle . Each. ever , the bonded - phase method ... range between 2 and 5 ; for com- plex mixtures , however , this range must be expanded to perhaps 0.5 to 20. The ...
... Range of data given . X FIGURE 27-13 Mobile - phase classification triangle . Each. ever , the bonded - phase method ... range between 2 and 5 ; for com- plex mixtures , however , this range must be expanded to perhaps 0.5 to 20. The ...
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