Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 30
Pagina 491
... phase is supported on a flat plate or in the pores of a paper . Here the mobile phase moves through the stationary phase by capillary action or under the influence of gravity . We will deal with column chromatography only . As shown in ...
... phase is supported on a flat plate or in the pores of a paper . Here the mobile phase moves through the stationary phase by capillary action or under the influence of gravity . We will deal with column chromatography only . As shown in ...
Pagina 522
... stationary phase is a solvent that is held in place by adsorption on the surface of packing particles . In liquid - bonded - phase partition chroma- tography , the stationary phase is an organic species that is attached to the surface ...
... stationary phase is a solvent that is held in place by adsorption on the surface of packing particles . In liquid - bonded - phase partition chroma- tography , the stationary phase is an organic species that is attached to the surface ...
Pagina 523
... phase method , the most polar component elutes first , and increasing the mobile phase polarity increases the ... Stationary Phases Successful partition chromatography requires a proper balance of intermolecular forces among the three ...
... phase method , the most polar component elutes first , and increasing the mobile phase polarity increases the ... Stationary Phases Successful partition chromatography requires a proper balance of intermolecular forces among the three ...
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