Razón española, Edizioni 21-26Fundación Balmes, 1983 |
Dall'interno del libro
Risultati 1-3 di 71
Pagina 207
... solvent , consider- ation must be given not only to its transpar- ency , but also to its possible effects upon the absorbing system . Quite ... solvent . 12 Common solvents 7E Application of Absorption Measurement to Qualitative Analysis,
... solvent , consider- ation must be given not only to its transpar- ency , but also to its possible effects upon the absorbing system . Quite ... solvent . 12 Common solvents 7E Application of Absorption Measurement to Qualitative Analysis,
Pagina 806
... solvent systems to find a mobile phase giving satisfactory a values . For ex- ample , as a first step in a normal - phase sepa- ration , a solvent system such as chloroform / n - hexane might be chosen on the basis of sample solubility ...
... solvent systems to find a mobile phase giving satisfactory a values . For ex- ample , as a first step in a normal - phase sepa- ration , a solvent system such as chloroform / n - hexane might be chosen on the basis of sample solubility ...
Pagina 817
for alumina . Note that solvent - to - solvent differences in ε roughly parallel those for P ' . Choice of Solvent Systems . The techniques for choosing a solvent system for adsorption chromatography are similar to those used in ...
for alumina . Note that solvent - to - solvent differences in ε roughly parallel those for P ' . Choice of Solvent Systems . The techniques for choosing a solvent system for adsorption chromatography are similar to those used in ...
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