Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
Risultati 1-3 di 24
Pagina 337
... thiosulfate is described by the equation 2- 2S2O32 ̄ + I1⁄2 = S4O62 ̄ + 21 ̄ The production of the tetrathionate ion requires the loss of two electrons from two thiosulfate ions ; the equivalent weight of thiosulfate in this reaction ...
... thiosulfate is described by the equation 2- 2S2O32 ̄ + I1⁄2 = S4O62 ̄ + 21 ̄ The production of the tetrathionate ion requires the loss of two electrons from two thiosulfate ions ; the equivalent weight of thiosulfate in this reaction ...
Pagina 338
... thiosulfate from which it was derived . Clearly thiosulfate solutions cannot be allowed to stand in contact with acid . On the other hand , iodine solutions that are 3 to 4 F in acid may be titrated without error as long as care is ...
... thiosulfate from which it was derived . Clearly thiosulfate solutions cannot be allowed to stand in contact with acid . On the other hand , iodine solutions that are 3 to 4 F in acid may be titrated without error as long as care is ...
Pagina 347
... thiosulfate solution . The solutions in the second and third absorbers were combined , and the residual iodine was titrated with 3.13 ml of the thiosulfate solution . Calculate the concentrations ( in milligrams per liter ) of SO2 and ...
... thiosulfate solution . The solutions in the second and third absorbers were combined , and the residual iodine was titrated with 3.13 ml of the thiosulfate solution . Calculate the concentrations ( in milligrams per liter ) of SO2 and ...
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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