Fundamentals of Analytical ChemistrySaunders College Pub., 1988 - 894 pagine |
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Pagina 478
... wavelength than the band of absorbed radiation responsible for their ex- citation . This shift in wavelength is sometimes called the Stokes shift . To understand the source of Stokes shifts , let us consider what occurs when the ...
... wavelength than the band of absorbed radiation responsible for their ex- citation . This shift in wavelength is sometimes called the Stokes shift . To understand the source of Stokes shifts , let us consider what occurs when the ...
Pagina 485
... wavelength range , greater intensity , and longer life . Infrared Sources Continuous infrared radiation is obtained from hot inert solids . A Globar source consists of a 5 by 50 mm silicon carbide rod . Radiation in the region from 1 to ...
... wavelength range , greater intensity , and longer life . Infrared Sources Continuous infrared radiation is obtained from hot inert solids . A Globar source consists of a 5 by 50 mm silicon carbide rod . Radiation in the region from 1 to ...
Pagina 486
... wavelength selector . 100 TABLE 19-2 Transmittance , % Nominal wavelength % Transmittance 50 50 Effective band- width A 1/2 Peak height Wavelength Interference Filters . Interference filters find use with ultraviolet and visible ...
... wavelength selector . 100 TABLE 19-2 Transmittance , % Nominal wavelength % Transmittance 50 50 Effective band- width A 1/2 Peak height Wavelength Interference Filters . Interference filters find use with ultraviolet and visible ...
Sommario
Introduction | 1 |
Evaluation of Analytical Data | 6 |
Gravimetric Methods of Analysis | 57 |
Copyright | |
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Parole e frasi comuni
absorbance absorption acetic activity coefficients addition AgNO3 aliquot analysis analytical concentration anode applications aqueous solution atoms autoprotolysis base bromocresol green buffer Calculate the pH carbonate cathode cations cell cell potential cerium(IV chemical chromatography color column complex compounds conjugate base coulometric Cu2+ detector determination dilute dissociation constant dissolved EDTA electrolyte end point Equation equilibrium constant equivalence point error example excess Fe3+ filter formation constant H₂O H3O+ half-reaction hydronium ion concentration indicator iodine ionic strength iron(II K₁ KMnO4 liquid measurements metal method mmol mobile phase molar concentration molecules NaOH obtained oxidation particles potassium precipitate quantity radiation ratio reaction reagent relative sample shown in Figure silver silver chloride sodium solid solubility solution containing solvent species standard deviation standard electrode potentials standard hydrogen electrode standard solution Substitution Table temperature titration titration curves volume volumetric wavelength weak acid weight Zn2+