Chemical Instrumentation: A Systematic Approach to Instrumental AnalysisAddison-Wesley Publishing Company, 1960 - 653 pagine |
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Pagina 151
... Beer's law . It is important to be aware of the assumptions that are made in obtaining the law . These are ( 1 ) the incident radiation is monochromatic , ( 2 ) the absorbing centers ( molecules and ions ) act independently of one ...
... Beer's law . It is important to be aware of the assumptions that are made in obtaining the law . These are ( 1 ) the incident radiation is monochromatic , ( 2 ) the absorbing centers ( molecules and ions ) act independently of one ...
Pagina 153
... Beer's law to be a limit- ing law applicable mainly in dilute solutions ( concentrations < 10−2 M ) . The interference will have the effect of altering the charge distribution either in the absorbing or excited species or both and thus ...
... Beer's law to be a limit- ing law applicable mainly in dilute solutions ( concentrations < 10−2 M ) . The interference will have the effect of altering the charge distribution either in the absorbing or excited species or both and thus ...
Pagina 163
... Beer's law . Concentrations : curve A , 0.3 unit ; curve B , 0.1 unit . at wavelengths near a will contribute more to the instrument response than will the much lower levels at wavelengths near b . The absorbance determined using ...
... Beer's law . Concentrations : curve A , 0.3 unit ; curve B , 0.1 unit . at wavelengths near a will contribute more to the instrument response than will the much lower levels at wavelengths near b . The absorbance determined using ...
Sommario
THE SCIENCE OF INSTRUMENTATION | 1 |
ERRORS OF MEASUREMENT | 14 |
CHAPTER 3 | 37 |
Copyright | |
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Chemical Instrumentation: A Systematic Approach to Instrumental Analysis Howard A. Strobel Visualizzazione estratti - 1960 |
Parole e frasi comuni
absorbance absorption acid amplifier analysis analyzed angle anode applied atoms band beam Beer's law calibration calomel capacitance capacitor cathode cell Chem chemical circuit components concentration conductance constant coulometric curve detection detector determined device diffusion diode dispersion drop effect electrical electrode electrolysis electron tube emission end point energy error example filter frequency galvanometer glass grid incident input instrument intensity ionization ions layer liquid measurement mercury metal meter method mixture molecules obtained operation optical optical rotation output oxidized particles pH meter photometer phototube plate current platinum polarized polarographic potential potentiometer precision prism procedure quantitative radiation range reactance reaction reflection refractive index region resistance resistor result rotation sample sawtooth wave scattering schematic Section sensitivity shown in Fig signal slit solution solvent species spectra spectrophotometer spectrum standard substance techniques temperature thyratron tion titration transistor triode variable vibrational voltage wave wavelength