Principles of Instrumental AnalysisSaunders College Pub., 1992 - 700 pagine Introduction; operational amplifiers in chemical instrumentation;digital electronics, microprocessors,and computers; signal and noise; properties of electromagnetic radiation;instruments for optical spectroscopy;an introduction to molecular ultraviolet, visible and enar-infrared absorption spectroscopy;application of molecular ultraviolet,visible absorption spectroscopy;molecular fluorescence, phosphorescence and chemiluminescence; atomic spectroscopy based upon flame and electrothermal atomization;emission spectroscopy based upon plasma, arc and spark atomization;infrared absorption spectroscopy;raman spectroscopy;nuclear magnetic resonance spectroscopy;x-ray spectroscopy;analysis of surfaces with electron beams;radiochemical methods;mass spectrometry;an introduction to electroanalytical chemistry;potentiometric methods;coulometric methods; voltammetry; thermal methods;an introduction to chromatographic separation;gas chromatography;high-performance liquid chromatography;other separation methods;automated methods of analysis. |
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Pagina 185
... employed for the measurement of absorption . Indeed , as shown by Equa- tion 9-6 , the magnitude of the output signal , and thus the sensitivity , is directly proportional to the source power Po . A mercury or xenon arc lamp is commonly ...
... employed for the measurement of absorption . Indeed , as shown by Equa- tion 9-6 , the magnitude of the output signal , and thus the sensitivity , is directly proportional to the source power Po . A mercury or xenon arc lamp is commonly ...
Pagina 336
... employed in modern NMR instruments to compen- sate for both drift and field inhomogeneity . LOCKING THE MAGNETIC FIELD In order to offset the effect of field fluctuations , a field / frequency lock system is employed in commercial NMR ...
... employed in modern NMR instruments to compen- sate for both drift and field inhomogeneity . LOCKING THE MAGNETIC FIELD In order to offset the effect of field fluctuations , a field / frequency lock system is employed in commercial NMR ...
Pagina 515
... employed in conjunction with a copper electrode in the cell sketched in ( b ) if the resulting potential is -0.076 V. ( a ) Calculate the standard potential for the reaction ( For Ag2S , Ksp Ag2S ( s ) + 2e2Ag ( s ) + S2- = 6 x 10-50 ) ...
... employed in conjunction with a copper electrode in the cell sketched in ( b ) if the resulting potential is -0.076 V. ( a ) Calculate the standard potential for the reaction ( For Ag2S , Ksp Ag2S ( s ) + 2e2Ag ( s ) + S2- = 6 x 10-50 ) ...
Sommario
Overview | 1 |
Operational Amplifiers | 10 |
Digital Electronics Microprocessors | 29 |
Copyright | |
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absorbance absorption activity addition amplifier Anal analysis analyte applications atomic band beam Calculate cause cell Chem chemical chromatography circuit column complex components compounds concentration constant containing curve described detector determination device difference discussion effect electrical electrons elements emission employed energy Equation example excited field filter fluorescence frequency function give given grating important increase infrared instruments intensity ions laser length less limited lines liquid magnetic mass measurements methods molecules monochromator noise Note observed obtained occurs operational optical output peak phase potential produced radiation Raman spectroscopy range ratio reaction reference region relative sample sensitivity separation shown in Figure shows signal slit solid solution solvent species spectra spectroscopy spectrum standard surface Table temperature transitions tube types typical usually vibrational voltage wave wavelength X-ray York