Principles of Instrumental AnalysisSaunders College Pub., 1998 - 849 pagine This text is written for a course that deals with the principles and applications of modern analytical instruments. Emphasis is placed upon the theoretical basis of each type of instrument, its optimal area of application, its sensitivity, its precision, and its limitations. The text also introduces students to elementary integrated circuitry, microprocessors and computers, and treatment of analytical data. |
Dall'interno del libro
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Pagina 739
... phase molecules . This aerosol is accelerated through a nozzle into a vacuum region where the mobile phase molecules ... stationary phase is held on the support parti- cles of the packing . With liquid - liquid , a liquid station- ary ...
... phase molecules . This aerosol is accelerated through a nozzle into a vacuum region where the mobile phase molecules ... stationary phase is held on the support parti- cles of the packing . With liquid - liquid , a liquid station- ary ...
Pagina 740
... phase chromatography . In reversed - phase chromatography , the stationary phase is nonpolar , often a hydrocarbon , and the mobile phase is relatively polar ( such as water , methanol , or acetoni- trile ) .21 In normal - phase ...
... phase chromatography . In reversed - phase chromatography , the stationary phase is nonpolar , often a hydrocarbon , and the mobile phase is relatively polar ( such as water , methanol , or acetoni- trile ) .21 In normal - phase ...
Pagina 742
... stationary phases are too much alike and totally different from that of the mobile phase . Here , retention times become inordinately long . In summary , then , polarities for solute , mobile phase , and stationary phase must be ...
... stationary phases are too much alike and totally different from that of the mobile phase . Here , retention times become inordinately long . In summary , then , polarities for solute , mobile phase , and stationary phase must be ...
Sommario
Contents CHAPTER 1 Introduction | 1 |
1D Selecting an Analytical Method | 11 |
1F Questions and Problems | 18 |
Copyright | |
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absorbance absorption acid amplifier Anal analysis analyte anode applications atomic band beam Beer's law Calculate capillary carbon cathode cell Chem chemical chro chromatography circuit column components compounds concentration constant coulometric curve detection detector determination device difference elec electrical elements emission energy Equation example excited filter flow fluorescence Fourier transform frequency function gas chromatography hydrogen infrared input instruments ionization ions iron(III laser lines liquid magnetic mass spectrometry measurements metal methods mobile phase molecular molecules monochromator operational amplifier optical output oxidation peak photomultiplier plasma polarization polarography protons pulse quantitative radiation Raman Raman spectroscopy range ratio reaction reagent region relative sample scan Section shown in Figure signal slit solution solvent species spectra spectrometer spectrophotometers spectroscopy spectrum standard deviation supercritical fluid surface technique temperature thermal tion titration transducer tube typical ultraviolet vibrational voltage wavelength wavenumber Wiley X-ray