Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 41
Pagina 409
... Absorbance 1.000 0.800 0.600 λ = 430 nm 0.400 0.200 0.000 0.00 = 570 nm 4.00 8.00 12.00 Indicator concentration , M × 105 16.00 Figure 21-4 Chemical deviations from Beer's law for unbuffered solutions of the indica- tor HIn . For data ...
... Absorbance 1.000 0.800 0.600 λ = 430 nm 0.400 0.200 0.000 0.00 = 570 nm 4.00 8.00 12.00 Indicator concentration , M × 105 16.00 Figure 21-4 Chemical deviations from Beer's law for unbuffered solutions of the indica- tor HIn . For data ...
Pagina 412
... absorbance with concentration occurs with green radiation ; the absorbance change with red radiation is negligible . In general , then , the radiation used for a colorimetric analysis should be the complementary color of the analyte ...
... absorbance with concentration occurs with green radiation ; the absorbance change with red radiation is negligible . In general , then , the radiation used for a colorimetric analysis should be the complementary color of the analyte ...
Pagina 466
... absorbance of three elements as a function of distance above the burner tip . For magnesium and silver , the initial rise in absorbance is a consequence of the longer exposure to the heat , which leads to a greater concentration of ...
... absorbance of three elements as a function of distance above the burner tip . For magnesium and silver , the initial rise in absorbance is a consequence of the longer exposure to the heat , which leads to a greater concentration of ...
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