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 76
... occurs as the excited species return to the ground state . Fluorescence occurs more rapidly than phosphorescence and is generally complete after about 10-5 s ( or less ) from the time of excitation . Phosphorescence emission takes place ...
... occurs as the excited species return to the ground state . Fluorescence occurs more rapidly than phosphorescence and is generally complete after about 10-5 s ( or less ) from the time of excitation . Phosphorescence emission takes place ...
Pagina 178
... occurs so rapidly that flu- orescence does not have time to occur . Internal conversion may also result in the phenom- enon of predissociation . Here , the electron moves from a higher electronic state to an upper vibrational level of a ...
... occurs so rapidly that flu- orescence does not have time to occur . Internal conversion may also result in the phenom- enon of predissociation . Here , the electron moves from a higher electronic state to an upper vibrational level of a ...
Pagina 183
... occurs , perhaps in a fashion analogous to the transfer to solvent molecules that occurs in an external conversion . Self - quenching can be expected to increase with concentration because of the greater prob- ability of collisions ...
... occurs , perhaps in a fashion analogous to the transfer to solvent molecules that occurs in an external conversion . Self - quenching can be expected to increase with concentration because of the greater prob- ability of collisions ...
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