Fundamentals of Analytical ChemistryHolt, Rinehart and Winston, 1969 - 835 pagine |
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Pagina 668
... absorbance data in this region , it is necessary to employ maximum amplification of the detector signal , maximum ... absorbance measured by such an instrument may be due as much to the absorbance of longer scattered wavelengths as to ...
... absorbance data in this region , it is necessary to employ maximum amplification of the detector signal , maximum ... absorbance measured by such an instrument may be due as much to the absorbance of longer scattered wavelengths as to ...
Pagina 693
... absorbance at the wavelengths at which calibration data were obtained . Calculate the con- centration of KMnO , and K2Cr2O , in the solution . Report the number of millimoles of KMnO4 and the number of milli- moles of K2Cr2O , in the ...
... absorbance at the wavelengths at which calibration data were obtained . Calculate the con- centration of KMnO , and K2Cr2O , in the solution . Report the number of millimoles of KMnO4 and the number of milli- moles of K2Cr2O , in the ...
Pagina 695
... absorbance of solution ( 4 ) at 610 mμ ? 14. At ordinary temperatures the acid dissociation constant for the indicator HIn has a value of 5.40 × 10-7 . Absorbance data ( 1.00 - cm cells ) for 5.00 × 10-4 F solutions of the indicator in ...
... absorbance of solution ( 4 ) at 610 mμ ? 14. At ordinary temperatures the acid dissociation constant for the indicator HIn has a value of 5.40 × 10-7 . Absorbance data ( 1.00 - cm cells ) for 5.00 × 10-4 F solutions of the indicator in ...
Sommario
1 The Scope of Analytical Chemistry | 1 |
2 Review of Elementary Concepts Important to Analytical Chemistry | 7 |
3 The Evaluation of Analytical Data | 25 |
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2H₂O absorbance absorption acetic acetic acid acid solution addition AgNO3 alkaline analysis analytical anode application aqueous base buffer calcium Calculate carbonate cathode cations cell cerium(IV chemical chloride color complex compounds copper(II coulometric crucible determined dilute dissociation dissolved EDTA electrolyte employed end point equation equilibrium constant equivalence point error ethanol example excess F with respect Fe3+ filter flask formal concentration formation glass H₂O H3O+ half-reaction hydrochloric acid hydrogen ion hydronium ion indicator iodide iodine ion concentration iron(III liquid measurement mercury(II metal method mixture mole/liter NaOH obtained oxalate oxidation particles percent perchloric acid permanganate potassium precipitate procedure quantity radiation reaction reagent reduced result salt sample saturated calomel electrode silver ion sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfate sulfuric sulfuric acid temperature tion titration titration curve volume volumetric wavelength weak acid