Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 93
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 | 58 |
Copyright | |
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absorbance absorption acid solution activity coefficient addition AgNO3 aliquot analysis analyte anode application aqueous base buffer cadmium calcium carbonate cathode cation cell cerium(IV chemical color complex concen coulometric determined dilute dissociation constant dissolved EDTA electrode potential electrolyte employed end point Equation equilibrium constant equivalence point equivalent weight error example excess Fe² Fe³ filter flask formal concentration formation formula weight glass gravimetric H₂O H3O+ half-cell half-reaction hydrogen ion hydroxide iodide iodine ionic strength iron(II K₁ liquid measurement membrane mercury(II metal method molar NaOH oxalate oxidation oxidation-reduction particles permanganate polarographic potassium precipitate primary standard quantity radiation react reactants reaction reagent reduced sample saturated silver chloride silver ion silver nitrate sodium solid solubility solution containing species standard electrode potential standard hydrogen electrode standard solution substance sulfuric acid Table temperature thiosulfate titration curves volume volumetric wavelength zinc
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