Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 90
Pagina 49
... example the spread is 0.20 % chloride . Two other measures of precision are the standard deviation and the variance ... example , for sample x , in the earlier example , relative deviation from mean = 0.077 × 100 24.31 = 0.32 = 0.3 ...
... example the spread is 0.20 % chloride . Two other measures of precision are the standard deviation and the variance ... example , for sample x , in the earlier example , relative deviation from mean = 0.077 × 100 24.31 = 0.32 = 0.3 ...
Pagina 54
... example of constant error . This volume , usually small , remains the same regardless of the total volume of reagent required for the titration . Again , the relative error will be more serious as the total volume decreases . Clearly ...
... example of constant error . This volume , usually small , remains the same regardless of the total volume of reagent required for the titration . Again , the relative error will be more serious as the total volume decreases . Clearly ...
Pagina 201
... example , 400 - ml portions of a solution formed by diluting the buffer in the example we have been considering by a factor of 10 would exhibit changes of about 0.4 to 0.5 pH unit when treated with the same amounts of sodium hydroxide ...
... example , 400 - ml portions of a solution formed by diluting the buffer in the example we have been considering by a factor of 10 would exhibit changes of about 0.4 to 0.5 pH unit when treated with the same amounts of sodium hydroxide ...
Sommario
Introduction | 1 |
A Review of Simple Equilibrium Constant | 24 |
The Evaluation of Analytical Data | 46 |
Copyright | |
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absorbance absorption activity coefficient addition AgNO3 aliquot analysis analyte anode application approximately atoms base buffer buret calcium Calculate calibration 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 zinc