Fundamentals of Analytical ChemistryHolt, Rinehart and Winston, 1969 - 835 pagine |
Dall'interno del libro
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Pagina 28
... Error The absolute error can be defined as E = O - A ( 3-1 ) where the error E is the difference between the observed value O and the ac- cepted value A. The accepted value of A may itself be subject to considerable uncertainty . As a ...
... Error The absolute error can be defined as E = O - A ( 3-1 ) where the error E is the difference between the observed value O and the ac- cepted value A. The accepted value of A may itself be subject to considerable uncertainty . As a ...
Pagina 29
... errors in a measurement , what formerly contrib- uted to the indeterminate error often becomes determinate in character . DETERMINATE ERRORS Types of Determinate Errors A complete listing of conceivable determinate errors is a patent ...
... errors in a measurement , what formerly contrib- uted to the indeterminate error often becomes determinate in character . DETERMINATE ERRORS Types of Determinate Errors A complete listing of conceivable determinate errors is a patent ...
Pagina 30
... error . Method Errors Analytical procedures are also subject to limitations , which give rise to errors that can be traced to the method . For example , even the least soluble of sub- stances has a finite solubility . In gravimetric ...
... error . Method Errors Analytical procedures are also subject to limitations , which give rise to errors that can be traced to the method . For example , even the least soluble of sub- stances has a finite solubility . In gravimetric ...
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