Fundamentals of Analytical ChemistrySaunders College Pub., 1988 - 894 pagine |
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Risultati 1-3 di 29
Pagina 612
... Phase Mass - Transfer Term C 、 u . When the stationary phase is an immobilized liquid , the mass - transfer ... mobile phase can occur . That is , with thick films , mol- ecules must on the average travel farther to reach the surface ...
... Phase Mass - Transfer Term C 、 u . When the stationary phase is an immobilized liquid , the mass - transfer ... mobile phase can occur . That is , with thick films , mol- ecules must on the average travel farther to reach the surface ...
Pagina 649
... phase chromatography . The difference between the two lies in the method by which the stationary phase is held on ... mobile phase . Furthermore , gradient elution is not practical with liquid - liquid packings , again because of losses ...
... phase chromatography . The difference between the two lies in the method by which the stationary phase is held on ... mobile phase . Furthermore , gradient elution is not practical with liquid - liquid packings , again because of losses ...
Pagina 650
... mobile phase used with these packings is often an aqueous solution containing various concentrations of such solvents as meth- anol , acetonitrile , and tetrahydrofuran . Choice of Mobile and Stationary Phases Successful partition ...
... mobile phase used with these packings is often an aqueous solution containing various concentrations of such solvents as meth- anol , acetonitrile , and tetrahydrofuran . Choice of Mobile and Stationary Phases Successful partition ...
Sommario
Introduction | 1 |
Evaluation of Analytical Data | 6 |
Gravimetric Methods of Analysis | 57 |
Copyright | |
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Parole e frasi comuni
absorbance absorption acid activity added addition amount analysis analyte applications aqueous assume atoms base becomes buffer Calculate carbonate cations cause cell chemical chloride chromatography color column common complex compounds concentration constant containing curve derived described determination deviation difference dilute dissociation dissolved EDTA effect electrode electrode potential end point Equation equilibrium equivalence error example excess expression Figure formation given gives glass H3O+ hydrogen important increases indicator involves ion concentration less liquid mean measurements metal method mmol molar NaOH Note obtained occurs organic oxidation particles phase potential precipitate prepared present Problem quantity radiation range ratio reaction reagent reduced relative sample separation shown silver sodium solid solubility solution solvent species standard Step strong Substitution surface Table temperature titration titration curves volume weak weight