Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 87
Pagina 37
... Error . The absolute error can be defined as E = 0 - A ( 3-1 ) where the error E is the difference between the observed value O and the accepted value A. In many instances the accepted value of A is itself sub- ject to considerable ...
... Error . The absolute error can be defined as E = 0 - A ( 3-1 ) where the error E is the difference between the observed value O and the accepted value A. In many instances the accepted value of A is itself sub- ject to considerable ...
Pagina 38
... errors of the experimenter , the instrumental errors of his measuring devices , the errors that repose in the method of analysis he employs , or a combination of these . Personal Errors . In a preponderance of cases where a gross error ...
... errors of the experimenter , the instrumental errors of his measuring devices , the errors that repose in the method of analysis he employs , or a combination of these . Personal Errors . In a preponderance of cases where a gross error ...
Pagina 41
... error . Sources of these errors reside with each estimation required in the calibration process as well as with a variety of uncontrolled variables that affect the outcome . Thus , the level of the liquid must be judged with respect to ...
... error . Sources of these errors reside with each estimation required in the calibration process as well as with a variety of uncontrolled variables that affect the outcome . Thus , the level of the liquid must be judged with respect to ...
Sommario
The Scope of Analytical Chemistry | 1 |
Some Elementary Concepts | 7 |
The Evaluation of Analytical Data | 34 |
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absorbance absorption acid solution addition AgCl AgNO3 aliquot analysis analytical barium base buffer buret Calculate carbonate cell cerium chemical chemist chloride ion colloidal color complex compound coprecipitation crucible determined deviation dilute dissociation dissolved employed end point equation equilibrium constant equivalence point equivalent weight error example excess F solution Fe2+ filter flask formal concentration formula weight grams gravimetric H₂ H₂O H3O+ half reaction hydrogen ion hydronium ion hydroxide indicator iodide iodine ion concentration iron iron III KMnO4 liquid liter measurement metal method milliequivalents ml of water mol/liter NaOH normality oxalate oxidation particles percent permanganate phenolphthalein pipet potassium potentiometric precipitate quantity radiation reagent reduced result salt sample silver chloride silver ion silver nitrate sodium sodium carbonate solid solubility solvent species standard hydrogen electrode standard solution substance sulfate sulfuric acid temperature thiocyanate tion titration curve volt volume volumetric wash weak acid