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. |
Dall'interno del libro
Risultati 1-3 di 89
Pagina 114
... ratio results . In Section 4C - 2 , it was pointed out that marked improvements in signal - to - noise ratios accompany sig- nal averaging . There , it was shown ( Equation 4–6 ) that the signal - to - noise ratio S / N for the average ...
... ratio results . In Section 4C - 2 , it was pointed out that marked improvements in signal - to - noise ratios accompany sig- nal averaging . There , it was shown ( Equation 4–6 ) that the signal - to - noise ratio S / N for the average ...
Pagina 301
... ratio p is defined as I р ( 13-8 ) Experimentally , the depolarization ratio is readily ob- tained by inserting a Polaroid sheet between the sample and the monochromator . Spectra are then obtained with the axis of the sheet oriented ...
... ratio p is defined as I р ( 13-8 ) Experimentally , the depolarization ratio is readily ob- tained by inserting a Polaroid sheet between the sample and the monochromator . Spectra are then obtained with the axis of the sheet oriented ...
Pagina 73
... ratio 2.2 and a singlet ( area x 1 ) at 8 = 11 to 12 . 1.6 ( area ratio 1 : 2 : 1 ) and a quartet ( area ≈ 2 ) at 8 = 4.4 2.1 , a quartet ( area × 2 ) at d = 2.4 ( area ratio 1 : 3 : 3 : 1 ) , and a triplet ( area ≈ 3 ) at d = 1.1 ...
... ratio 2.2 and a singlet ( area x 1 ) at 8 = 11 to 12 . 1.6 ( area ratio 1 : 2 : 1 ) and a quartet ( area ≈ 2 ) at 8 = 4.4 2.1 , a quartet ( area × 2 ) at d = 2.4 ( area ratio 1 : 3 : 3 : 1 ) , and a triplet ( area ≈ 3 ) at d = 1.1 ...
Sommario
Overview | 1 |
Operational Amplifiers | 10 |
Digital Electronics Microprocessors | 29 |
Copyright | |
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Parole e frasi comuni
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