Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
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Risultati 1-3 di 34
Pagina 255
... aliquot of this solution . ( b ) the volume of 0.009450 M Zn2 + needed to titrate the excess reagent after addition of 50.00 mL of 0.008640 M EDTA to a 25.00 - mL aliquot of this solution . ( c ) the volume of 0.008640 M EDTA needed to ...
... aliquot of this solution . ( b ) the volume of 0.009450 M Zn2 + needed to titrate the excess reagent after addition of 50.00 mL of 0.008640 M EDTA to a 25.00 - mL aliquot of this solution . ( c ) the volume of 0.008640 M EDTA needed to ...
Pagina 256
... aliquot of 0.05182 M EDTA was mixed with an equal volume of the diluted sample , all three ions were chelated , and a 5.11 - mL back - titration with 0.06241 M copper ( II ) was required . The chromium in a second 50.00 - mL aliquot was ...
... aliquot of 0.05182 M EDTA was mixed with an equal volume of the diluted sample , all three ions were chelated , and a 5.11 - mL back - titration with 0.06241 M copper ( II ) was required . The chromium in a second 50.00 - mL aliquot was ...
Pagina 451
... aliquot of the sample with 5.00 mL of standard 0.250 ppm warfarin yielded a solu- tion with an intensity of 670. Calculate the percentage of warfarin in the sample . 23-13 . The reduced form of nicotinamide adenine dinucleotide ( NADH ) ...
... aliquot of the sample with 5.00 mL of standard 0.250 ppm warfarin yielded a solu- tion with an intensity of 670. Calculate the percentage of warfarin in the sample . 23-13 . The reduced form of nicotinamide adenine dinucleotide ( NADH ) ...
Parole e frasi comuni
absorbance absorption acid activity added addition amount analysis analyte applications approximately atomic base becomes buffer Calculate carbonate cations cause cell charge chemical chloride chromatography color column complex compounds concentration consider constant containing curve described determination difference dilute dissociation dissolved EDTA effect electrode electrode potential electrolyte end point Equation equilibrium equivalence error example excess expression Figure filter formation give given glass H₂O H3O+ hydrogen hydroxide increase indicator involves less liquid mass mean measurements metal method mmol molar NaOH needed Note obtained occurs organic oxidation particles positive potassium potential precipitate prepared quantity radiation range reaction reagent reduced reference relative salt sample shown shows silver sodium solid solubility solution species standard standard deviation strong surface Table temperature tion titration types volume weighed write