Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 26
Pagina 36
... deviation . Absolute Deviation . The absolute deviation is simply the absolute difference between an experimental value and that which has been selected as the best for the set , be it the mean or the median . Inspection of a typical ...
... deviation . Absolute Deviation . The absolute deviation is simply the absolute difference between an experimental value and that which has been selected as the best for the set , be it the mean or the median . Inspection of a typical ...
Pagina 44
... deviation of x from the mean ; this is the quantity that is plotted as the abscissa of the normal - error curve . The term y is the frequency with which any particular deviation occurs and is the ordinate of the normal - error curve ...
... deviation of x from the mean ; this is the quantity that is plotted as the abscissa of the normal - error curve . The term y is the frequency with which any particular deviation occurs and is the ordinate of the normal - error curve ...
Pagina 47
... deviation is calculated as before ; the results would now be reported as 56.04 ± 0.07 percent CaO . It is advantageous to select the median , rather than the average , as the best value for a small set of measurements . We have seen ...
... deviation is calculated as before ; the results would now be reported as 56.04 ± 0.07 percent CaO . It is advantageous to select the median , rather than the average , as the best value for a small set of measurements . We have seen ...
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