Chemical Instrumentation: A Systematic ApproachWiley, 22 feb 1989 - 1248 pagine The Third Edition of this established work on chemical instrumentation has been completely rewritten and updated to account for the advances made since the Second Edition came out in 1973. More main methods of measurement are presented, and there is extended coverage of chromatography and electrochemistry. Most of the material is new--including coverage of microprocessors and microcomputers, statistical control of measurement quality, quantification and extraction of information, x-ray fluorescence spectrometry, surface spectrometric techniques, and chromatography and HPLC. The quality and range of the worked examples have been improved, and there are end-of-chapter exercises. |
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Pagina 260
... emission with probability coefficient B21 . Such emission occurs where a population of excited species is irradiated by a uniform field of radiation of the frequency to be emitted . The number of species dN undergoing stimulated emission ...
... emission with probability coefficient B21 . Such emission occurs where a population of excited species is irradiated by a uniform field of radiation of the frequency to be emitted . The number of species dN undergoing stimulated emission ...
Pagina 437
... EMISSION SPECTROMETRY 13.1 INTRODUCTION The first type of optical spectroscopy to be treated is atomic emission , perhaps the oldest chemical technique now widely used . The main steps in an atomic emission measurement are as follows ...
... EMISSION SPECTROMETRY 13.1 INTRODUCTION The first type of optical spectroscopy to be treated is atomic emission , perhaps the oldest chemical technique now widely used . The main steps in an atomic emission measurement are as follows ...
Pagina 533
... Emission intensities are monitored while both excitation and emission wavelengths are varied . The data array obtained is usually called an ex- citation - emission matrix ( EEM ) . Repeated scans are of course necessary to de- velop EEM ...
... Emission intensities are monitored while both excitation and emission wavelengths are varied . The data array obtained is usually called an ex- citation - emission matrix ( EEM ) . Repeated scans are of course necessary to de- velop EEM ...
Sommario
Measurement and Instrumentation | 1 |
Operational Amplifier Circuits | 4 |
BASIC ELECTRONICS | 21 |
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Chemical Instrumentation: A Systematic Approach Howard A. Strobel,William R. Heineman Visualizzazione estratti - 1989 |
Parole e frasi comuni
absorbance absorption amplifier amplitude analyte analytical signal angle atomic band beam Beer's law bits capacitor cell Chem circuit components concentration constant curve detector device diagram differential diffraction diffraction grating diode dispersion electrical electronic elements emission energy ensure equation error example excited exit slit feedback filter flame flip-flop fluorescence frequency gate grating incident input instrument integrated integrated circuit intensity interference lamp laser limit measurements method microprocessor mirror mode modules molecules monochromator noise Ohm's law op-amp operation operational amplifier optical output voltage p-n junction peak photodiode photomultiplier photon polarized precision prism pulse R₁ R₂ radiation Raman range reflection refractive index region resistance resistor resolution result sample scanning Section shown in Fig signal slit width spectral spectrometer spectrophotometer spectrum standard stray light temperature transistor transition tube V₁ variable vibrational wave wavelength wavenumber zener diode