Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 22
Pagina 491
... 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 the first column of Table 26-1 , chromatographic methods fall into three ...
... 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 the first column of Table 26-1 , chromatographic methods fall into three ...
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 elution time . It has been estimated that more than three quarters of all HPLC separations are currently performed with ...
... phase method , the most polar component elutes first , and increasing the mobile phase polarity increases the elution time . It has been estimated that more than three quarters of all HPLC separations are currently performed with ...
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