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 337
... frequency that is less than the Nyquist frequency . ( a ) Dotted line is time domain signal having a frequency of 1600 Hz and being sampled at a frequency of 2000 samples / second as shown by dots ; solid line is a cosine wave having a ...
... frequency that is less than the Nyquist frequency . ( a ) Dotted line is time domain signal having a frequency of 1600 Hz and being sampled at a frequency of 2000 samples / second as shown by dots ; solid line is a cosine wave having a ...
Pagina 338
... frequency radio signal is first converted to an audio- frequency signal , which is much easier to digitize . The signal from the radio - frequency amplifier can be thought of as being made up of two components , a carrier signal , which ...
... frequency radio signal is first converted to an audio- frequency signal , which is much easier to digitize . The signal from the radio - frequency amplifier can be thought of as being made up of two components , a carrier signal , which ...
Pagina 339
... frequencies contain noise components that will be folded back into the frequency range being used for the spectrum , thus reducing the signal - to - noise ratio . If the frequency of the excitation pulse is set so that some of the ...
... frequencies contain noise components that will be folded back into the frequency range being used for the spectrum , thus reducing the signal - to - noise ratio . If the frequency of the excitation pulse is set so that some of the ...
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