Analytical Chemistry |
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Pagina 175
To illustrate , consider the application of a typical indicator which exhibits a full
color change as pAg varies from 7 to 5 , to the three bromide titrations described
in Table 8 - 1 and Figure 8 - 1 . It is clear that each titration requires a different ...
To illustrate , consider the application of a typical indicator which exhibits a full
color change as pAg varies from 7 to 5 , to the three bromide titrations described
in Table 8 - 1 and Figure 8 - 1 . It is clear that each titration requires a different ...
Pagina 187
THEORY OF INDICATOR BEHAVIOR Acid - base indicators are generally weak
organic acids or bases which , upon dissociation or association , undergo
internal structural changes that give rise to alterations in color . We can symbolize
the ...
THEORY OF INDICATOR BEHAVIOR Acid - base indicators are generally weak
organic acids or bases which , upon dissociation or association , undergo
internal structural changes that give rise to alterations in color . We can symbolize
the ...
Pagina 188
Using HIn as an example , we may write that the indicator exhibits its pure acid
color to the average observer when [ In ] 1 [ HIN ] - 10 and its basic color when (
In ) 10 ( HIn ] 1 The color appears to be intermediate for ratios between these two
...
Using HIn as an example , we may write that the indicator exhibits its pure acid
color to the average observer when [ In ] 1 [ HIN ] - 10 and its basic color when (
In ) 10 ( HIn ] 1 The color appears to be intermediate for ratios between these two
...
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Sommario
Preface | 1 |
A Review of Some Elementary Concepts | 8 |
A Review of Simple Equilibrium Constant | 24 |
Copyright | |
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absorbance absorption acid activity added addition amount analysis analyte application approximately balance base becomes Calculate carbonate cause cell Chapter chemical chloride chromatography color column common complex concentration considered constant containing curve described determined deviation difference dilute direct Discussion dissociation dissolved drop effect electrode employed end point Equation equilibrium equivalence point error example excess exist expression Figure filter flask formation give given glass heating hydrogen hydroxide important increase indicator involves iodine less limited liquid liter mean measurements metal method NaOH needed Neutralization Note obtained occurs organic oxidation phase potassium potential precipitate prepared presence problem Procedure quantity radiation reaction reagent reduced region relative sample separation shown silver sodium solid solubility solution species standard substance surface Table temperature titration volume volumetric weight