Fundamentals of Analytical ChemistrySaunders College Pub., 1988 - 894 pagine |
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Pagina 353
... dissolved in dilute HCl . After ( NH4 ) 2C2O4 was introduced and the pH of the resulting solution adjusted to permit the quantitative precipitation of CaC2O4 , the solid was isolated by filtration , washed free of excess C2O2 , and ...
... dissolved in dilute HCl . After ( NH4 ) 2C2O4 was introduced and the pH of the resulting solution adjusted to permit the quantitative precipitation of CaC2O4 , the solid was isolated by filtration , washed free of excess C2O2 , and ...
Pagina 354
... dissolved in dilute acid , treated with an excess of ( NH4 ) 2C2O4 , and slowly made alkaline through the addition of aqueous NH3 . The precipitated Al2 ( C2O4 ) 3 was filtered , washed , dissolved in dilute acid , and titrated with ...
... dissolved in dilute acid , treated with an excess of ( NH4 ) 2C2O4 , and slowly made alkaline through the addition of aqueous NH3 . The precipitated Al2 ( C2O4 ) 3 was filtered , washed , dissolved in dilute acid , and titrated with ...
Pagina 356
... dissolved by addition of 2.00 mL of con- centrated H2SO4 , whereupon an amount of I , equivalent to the Mn ( OH ) , ( and hence to the dissolved Oą ) was liberated . A 25.0 - mL aliquot ( of the 254 mL ) was titrated with 6.35 mL of ...
... dissolved by addition of 2.00 mL of con- centrated H2SO4 , whereupon an amount of I , equivalent to the Mn ( OH ) , ( and hence to the dissolved Oą ) was liberated . A 25.0 - mL aliquot ( of the 254 mL ) was titrated with 6.35 mL of ...
Sommario
Introduction | 1 |
Evaluation of Analytical Data | 6 |
Gravimetric Methods of Analysis | 57 |
Copyright | |
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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+