Fundamentals of Analytical ChemistryHolt, Rinehart and Winston, 1969 - 835 pagine |
Dall'interno del libro
Risultati 1-3 di 83
Pagina 46
... result in rejection of a value that actually should be retained ; indeed , in a three - number set containing a pair ... result actually is questionable . 2. Reexamine carefully all data relating to the suspected result to see if a gross ...
... result in rejection of a value that actually should be retained ; indeed , in a three - number set containing a pair ... result actually is questionable . 2. Reexamine carefully all data relating to the suspected result to see if a gross ...
Pagina 54
... result that is somewhat less than some power of 10 possesses a smaller relative error than the number of significant ... result , but must be modified if all components of the calculation have uncertainties of the same order of magnitude ...
... result that is somewhat less than some power of 10 possesses a smaller relative error than the number of significant ... result , but must be modified if all components of the calculation have uncertainties of the same order of magnitude ...
Pagina 55
... result as 1.06 ± 0.03 . In summary , two methods are available for ascertaining the proper number of figures to which a derived result should be reported . An individual uncertainty that is much greater than the others in the ...
... result as 1.06 ± 0.03 . In summary , two methods are available for ascertaining the proper number of figures to which a derived result should be reported . An individual uncertainty that is much greater than the others in the ...
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