Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 56
Pagina 82
... described in Problem 15 to +1.0 μg Cu / ml ? 18. How many replicate measurements would be needed to decrease the 80 % and 95 % confidence limits for the analysis described in Problem 16 to ± 0.13 μg Pb / ml ? * 19. A chemist obtained ...
... described in Problem 15 to +1.0 μg Cu / ml ? 18. How many replicate measurements would be needed to decrease the 80 % and 95 % confidence limits for the analysis described in Problem 16 to ± 0.13 μg Pb / ml ? * 19. A chemist obtained ...
Pagina 344
... described in Problem 3b ? 6. What is the Fe3O4 titer of the solution described in Problem 3a ( assuming that all the Fe is converted to Fe2 + by pretreatment ) ? * 7 . What is the K2Cr2O7 titer of the solution described in Problem 4a ...
... described in Problem 3b ? 6. What is the Fe3O4 titer of the solution described in Problem 3a ( assuming that all the Fe is converted to Fe2 + by pretreatment ) ? * 7 . What is the K2Cr2O7 titer of the solution described in Problem 4a ...
Pagina 476
... described in ( a ) ? ( c ) What will be the concentration of the complex in a solution that has the same absorbance described in ( a ) when measured at 470 nm in a 1.00 - cm cell ? * 7 . At 580 nm , the wavelength of its maximum ...
... described in ( a ) ? ( c ) What will be the concentration of the complex in a solution that has the same absorbance described in ( a ) when measured at 470 nm in a 1.00 - cm cell ? * 7 . At 580 nm , the wavelength of its maximum ...
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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