Analytical Chemistry: An IntroductionSaunders College Pub., 1994 - 675 pagine |
Dall'interno del libro
Risultati 1-3 di 79
Pagina 33
... color becomes constant , which shows that the triiodide concentration has become constant ( see color plate 6a ) . A solution of identical color intensity ( and hence identical triiodide concentra- tion ) can also be produced by adding ...
... color becomes constant , which shows that the triiodide concentration has become constant ( see color plate 6a ) . A solution of identical color intensity ( and hence identical triiodide concentra- tion ) can also be produced by adding ...
Pagina 168
... color base color Here , internal structural changes accompany dissociation and cause the color change ( Figure 10-1 ) . The equilibrium for a base - type indicator , In , is In + H2O InH * + OH ̄ base color acid color In the paragraphs ...
... color base color Here , internal structural changes accompany dissociation and cause the color change ( Figure 10-1 ) . The equilibrium for a base - type indicator , In , is In + H2O InH * + OH ̄ base color acid color In the paragraphs ...
Pagina 169
... colors , with a color - blind person representing one extreme . If the two concentration ratios are substituted into Equation 10-2 , the range of hydronium ion concentrations needed to cause the complete indicator color change can be ...
... colors , with a color - blind person representing one extreme . If the two concentration ratios are substituted into Equation 10-2 , the range of hydronium ion concentrations needed to cause the complete indicator color change can be ...
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