Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 32
Pagina 105
... Washing generally does not remove much of the primarily adsorbed ions because the attraction between these ions and the surface of the solid is too strong . Exchange occurs , however , between existing counter ions and ions in the wash ...
... Washing generally does not remove much of the primarily adsorbed ions because the attraction between these ions and the surface of the solid is too strong . Exchange occurs , however , between existing counter ions and ions in the wash ...
Pagina 547
... wash liquid before use . Any solid collected with it is combined with the main portion on the filter . Small pieces ... wash liquid can be helpful in minimizing creeping . A gelatinous precipitate must be completely washed before it is ...
... wash liquid before use . Any solid collected with it is combined with the main portion on the filter . Small pieces ... wash liquid can be helpful in minimizing creeping . A gelatinous precipitate must be completely washed before it is ...
Pagina 567
... wash solution ; use rubber policemen to dislodge any particles that adhere to the walls of the beakers . Continue washing until the filtrates are essentially free of Ag + ion ( Note 4 ) . Dry the precipitate at 110 ° C for at least 1 h ...
... wash solution ; use rubber policemen to dislodge any particles that adhere to the walls of the beakers . Continue washing until the filtrates are essentially free of Ag + ion ( Note 4 ) . Dry the precipitate at 110 ° C for at least 1 h ...
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