Fundamentals of Analytical ChemistryHolt, Rinehart and Winston, 1969 - 835 pagine |
Dall'interno del libro
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Pagina 27
... Deviation from Mean Deviation from Median 0.10 0.11 0.09 0.08 0.01 0.00 Avg 0.07 Avg 0.06 The mean value is 24.29 percent , and the first result has a deviation from the mean of 0.10 percent . The set exhibits an average deviation from ...
... Deviation from Mean Deviation from Median 0.10 0.11 0.09 0.08 0.01 0.00 Avg 0.07 Avg 0.06 The mean value is 24.29 percent , and the first result has a deviation from the mean of 0.10 percent . The set exhibits an average deviation from ...
Pagina 38
... deviation was caused by the operation of indeterminate error is small . In theory , the standard deviation for a set of experimental data is computed by summing the squares of the individual deviations from the mean ( μ ) , dividing by ...
... deviation was caused by the operation of indeterminate error is small . In theory , the standard deviation for a set of experimental data is computed by summing the squares of the individual deviations from the mean ( μ ) , dividing by ...
Pagina 41
... deviation from the mean or from the median , the spread , or the standard deviation . When applied to the small sets of data with which the analytical chemist works ( usually two to six replicate analyses ) , however , the standard ...
... deviation from the mean or from the median , the spread , or the standard deviation . When applied to the small sets of data with which the analytical chemist works ( usually two to six replicate analyses ) , however , the standard ...
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