Fundamentals of Analytical ChemistrySaunders College Pub., 1988 - 894 pagine |
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Pagina 193
... Buffer Solutions A buffer solution is defined as a solution that resists changes in pH either when it is diluted or when small amounts of acid or ... buffer described in 8D Properties of Buffer Solutions 193 8D Properties of Buffer Solutions.
... Buffer Solutions A buffer solution is defined as a solution that resists changes in pH either when it is diluted or when small amounts of acid or ... buffer described in 8D Properties of Buffer Solutions 193 8D Properties of Buffer Solutions.
Pagina 196
... buffering species as well as to their concentration ratio . For example , the pH of a 400 - mL portion of a buffer formed by diluting the solutions described in Example 8-7 by 10 would change by about 0.4 to 0.5 unit when treated with ...
... buffering species as well as to their concentration ratio . For example , the pH of a 400 - mL portion of a buffer formed by diluting the solutions described in Example 8-7 by 10 would change by about 0.4 to 0.5 unit when treated with ...
Pagina 197
... Buffers In principle , a buffer solution of any desired pH can be prepared by combining calculated quantities of a suitable conjugate acid / base pair . In practice , how- ever , the pH values of buffers prepared from theoretically ...
... Buffers In principle , a buffer solution of any desired pH can be prepared by combining calculated quantities of a suitable conjugate acid / base pair . In practice , how- ever , the pH values of buffers prepared from theoretically ...
Sommario
Introduction | 1 |
Gravimetric Methods of Analysis | 57 |
Titrimetric Methods of Analysis | 84 |
Copyright | |
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absorbance absorption acetic activity coefficients addition AgNO3 aliquot analysis analytical concentration anions anode applications atoms autoprotolysis base 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 Fe2+ Fe3+ formation constant glass H₂O H3O+ half-reaction hydrogen ion hydronium ion concentration indicator iodine ionic strength iron(II KMnO4 liquid measurements membrane metal method mmol mobile phase molar concentration molecules NaOH Nernst equation obtained oxidation particles potassium precipitate quantity radiation ratio reaction reagent relative sample saturated shown in Figure silver silver chloride sodium solubility solution containing solvent species standard deviation standard electrode potentials standard hydrogen electrode standard solution Substitution Table temperature titration titration curves volume wavelength weak acid Zn2+