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 113
... elements of the spectra are being measured simulta- neously rather than one element at a time as in the single- channel case . Multichannel instruments can also provide enhanced sensitivity and precision because the speed of measurement ...
... elements of the spectra are being measured simulta- neously rather than one element at a time as in the single- channel case . Multichannel instruments can also provide enhanced sensitivity and precision because the speed of measurement ...
Pagina 114
... elements of 3 cm1 were chosen , m would be 1500 ; if 0.5 s were required for recording the transmittance of each reso- lution element , 750 s or 12.5 min would be needed to obtain the spectrum . Reducing the width of the reso- lution ...
... elements of 3 cm1 were chosen , m would be 1500 ; if 0.5 s were required for recording the transmittance of each reso- lution element , 750 s or 12.5 min would be needed to obtain the spectrum . Reducing the width of the reso- lution ...
Pagina 377
... elements of the sample absorb less than those in the standard , high values for W result . A second matrix effect , called the enhancement effect , can also yield results that are greater than ex- pected . This behavior is encountered ...
... elements of the sample absorb less than those in the standard , high values for W result . A second matrix effect , called the enhancement effect , can also yield results that are greater than ex- pected . This behavior is encountered ...
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