Analytical ChemistryWiley, 1980 - 643 pagine Extensively revised and updated, this edition is concerned primarily with quantitative analysis techniques. Describes how to design an analytical method, how to obtain a laboratory sample that is representative of the whole and to prepare it for analysis, what measurement tools are available, automated analyses and the statistical significance of the analysis. New and expanded topics include heterogeneous equilibria, diode array spectrometers, fiber-optic sensors and solid-phase extraction. |
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Risultati 1-3 di 72
Pagina 52
... precipitate should be allowed to settle in the beaker before filtration is begun . The bulk of the clear liquid can then be decanted and filtered at a rapid rate before the precipitate fills the pores of the filter paper . Care must be ...
... precipitate should be allowed to settle in the beaker before filtration is begun . The bulk of the clear liquid can then be decanted and filtered at a rapid rate before the precipitate fills the pores of the filter paper . Care must be ...
Pagina 130
... precipitate . Let the precipitate settle , and test for complete precipitation by carefully adding a few drops of silver nitrate to the clear supernatant liquid ; if more precipitate or a cloudiness appears , add a few more milliliters ...
... precipitate . Let the precipitate settle , and test for complete precipitation by carefully adding a few drops of silver nitrate to the clear supernatant liquid ; if more precipitate or a cloudiness appears , add a few more milliliters ...
Pagina 132
... precipitate settle , then test for complete precipitation by adding a few drops of barium chloride without stirring . If additional precipitate forms , add slowly , with stirring , 5 ml more of barium chloride ; let settle , and test ...
... precipitate settle , then test for complete precipitation by adding a few drops of barium chloride without stirring . If additional precipitate forms , add slowly , with stirring , 5 ml more of barium chloride ; let settle , and test ...
Sommario
Experiments | 1 |
Review of Fundamental Concepts | 7 |
Expressions of Analytical Results | 17 |
Copyright | |
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absorbance acetic acetic acid acid solution added AgCl agent amount analysis analytical anion atomic absorption beaker buffer buret calcium Calculate carbon cathode cell Chapter chelate chemical chloride chromatography color column complex compounds concentration containing coulometric decrease detector determined dilute dissociation dissolved EDTA electrode electrolyte eluted emission end point enzyme Equation equilibrium constant equivalence point error ethanol example extraction Fe2+ Figure filter flame fluorescence gas chromatography glass H₂O half-reaction hydrochloric acid indicator instrument ionization iron(III liquid measured mercury method mixture mmoles mmoles/ml MnO4 molarity mole molecule NaOH Nernst equation oxidizing oxidizing agent phase pipet polarography potassium potential precipitate prepared procedure protein protons radiation react reaction reagent redox reduced salt sample separation serum silver sodium sodium hydroxide solubility solvent species standard substances sulfate technique temperature titration curve tube unknown volume volumetric flask wavelength weak acid weight