Chemical Instrumentation: A Systematic Approach to Instrumental AnalysisAddison-Wesley Publishing Company, 1960 - 653 pagine |
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Risultati 1-3 di 34
Pagina 207
... phototube Condensing mirror- Collimating mirror Quartz Littrow prism Lamp Slits Monochromator Diagonal slit entrance mirror Sample Phototube FIG . 7-10 . Schematic optical diagram of the Beckman DU spectrophotometer . The desired ...
... phototube Condensing mirror- Collimating mirror Quartz Littrow prism Lamp Slits Monochromator Diagonal slit entrance mirror Sample Phototube FIG . 7-10 . Schematic optical diagram of the Beckman DU spectrophotometer . The desired ...
Pagina 386
... phototube output actually is measured in terms of the known d - c bias , which must be applied to the grid of T1 to offset the signal from the phototube . To apply the known opposing voltage , the tap on the slide - wire AB of the ...
... phototube output actually is measured in terms of the known d - c bias , which must be applied to the grid of T1 to offset the signal from the phototube . To apply the known opposing voltage , the tap on the slide - wire AB of the ...
Pagina 389
... phototube . From Eq . ( 13-2 ) it appears that the gain of this amplifier is approxi- mately half the amplification factor . It should be remembered , however , that the small current from the phototube has already been " amplified ...
... phototube . From Eq . ( 13-2 ) it appears that the gain of this amplifier is approxi- mately half the amplification factor . It should be remembered , however , that the small current from the phototube has already been " amplified ...
Sommario
THE SCIENCE OF INSTRUMENTATION | 1 |
ERRORS OF MEASUREMENT | 14 |
CHAPTER 3 | 34 |
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 emission end point energy error example filter frequency galvanometer gas chromatography 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 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