Analytical ChemistryHolt, Rinehart and Winston, 1979 - 685 pagine |
Dall'interno del libro
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Pagina 234
... sulfuric acid during which the bound nitrogen is converted to ammonium ion . The solution is then treated with an excess of strong base ; following distillation the liberated ammonia is titrated . The critical step in the Kjeldahl ...
... sulfuric acid during which the bound nitrogen is converted to ammonium ion . The solution is then treated with an excess of strong base ; following distillation the liberated ammonia is titrated . The critical step in the Kjeldahl ...
Pagina 236
... acid ; after distillation is complete , the excess acid is back - titrated with standard base . An indicator with an ... sulfuric acid is then titrated with standard base . Other Elements . Table 10-1 lists other elements that can be ...
... acid ; after distillation is complete , the excess acid is back - titrated with standard base . An indicator with an ... sulfuric acid is then titrated with standard base . Other Elements . Table 10-1 lists other elements that can be ...
Pagina 529
... sulfuric acid and evaporating until copious white fumes of sulfur trioxide are observed . Nitrate ion and nitrogen oxides can be eliminated by adding urea to an acidic solution , evaporating the solution to dryness , and gently igniting ...
... sulfuric acid and evaporating until copious white fumes of sulfur trioxide are observed . Nitrate ion and nitrogen oxides can be eliminated by adding urea to an acidic solution , evaporating the solution to dryness , and gently igniting ...
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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