Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 40
Pagina 77
... uncertainty . The latter is preferably reported as the standard deviation of the result . The deviation from the mean , the deviation from the median , or the spread may sometimes be encountered because these precision indicators are ...
... uncertainty . The latter is preferably reported as the standard deviation of the result . The deviation from the mean , the deviation from the median , or the spread may sometimes be encountered because these precision indicators are ...
Pagina 78
... uncertainty in 24 in this calculation could be as small as 0.5 or as large as 5. The uncertainty in the quotient for these two limits is given in the accompanying table . ASSUMED ABSOLUTE UNCERTAINTY ABSOLUTE UNCERTAINTY IN 0.108 IN 24 ...
... uncertainty in 24 in this calculation could be as small as 0.5 or as large as 5. The uncertainty in the quotient for these two limits is given in the accompanying table . ASSUMED ABSOLUTE UNCERTAINTY ABSOLUTE UNCERTAINTY IN 0.108 IN 24 ...
Pagina 474
... uncertainty was a variation in cell positioning . The uncertainty could be eliminated by leaving the cell in position at all times ; samples and stan- dards were then introduced by means of a syringe . = Concentration Error When σrk ...
... uncertainty was a variation in cell positioning . The uncertainty could be eliminated by leaving the cell in position at all times ; samples and stan- dards were then introduced by means of a syringe . = Concentration Error When σrk ...
Sommario
Introduction | 1 |
A Review of Simple Equilibrium Constant | 24 |
The Evaluation of Analytical Data | 46 |
Copyright | |
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absorbance absorption acid solution activity coefficient addition AgNO3 aliquot analysis analyte anode application approximately atoms base buffer buret calcium Calculate carbonate cathode cations cell cerium(IV chemical color column complex concen copper(II coulometric crucible determined dilute dissociation constant dissolved EDTA electrode potential electrolyte employed end point Equation equilibrium constant equivalence point equivalent weight example excess filter formal concentration formation formula weight glass H₂O H3O+ half-cell half-reaction hydrogen hydronium ion hydroxide indicator iodide iodine ion concentration iron(III liquid liter measurements mercury(II metal method molar NaOH oxalate oxidation particles permanganate pipet potassium precipitate prepared primary standard Procedure quantity radiation reaction reagent reduced sample silver chloride silver ion silver nitrate sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfuric acid Table temperature thiosulfate titration curve volume volumetric flask wavelength
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