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. |
Dall'interno del libro
Risultati 1-3 di 33
Pagina 447
... Chelates The most widely used method of extracting metal ions is formation of a chelate molecule with an organic chelating agent . As mentioned in Chapter 11 , a chelating agent contains two or more complexing groups . Many of these ...
... Chelates The most widely used method of extracting metal ions is formation of a chelate molecule with an organic chelating agent . As mentioned in Chapter 11 , a chelating agent contains two or more complexing groups . Many of these ...
Pagina 448
... chelate . Assuming the chelated portion of the metal distributes largely into the organic phase and that the chelate is essentially undissociated in the nonpolar organic solvent , the distribution ratio is given by : D≈ [ MRnlo [ M " + ] ...
... chelate . Assuming the chelated portion of the metal distributes largely into the organic phase and that the chelate is essentially undissociated in the nonpolar organic solvent , the distribution ratio is given by : D≈ [ MRnlo [ M " + ] ...
Pagina 456
... chelating agents are ( KƊha ) KDHB ) . Calculate the relative percent of each chelate extracted at a given pH and reagent concentration and with equal volumes of the two phases . = DHA ) 9. Ninety percent of a metal chelate is extracted ...
... chelating agents are ( KƊha ) KDHB ) . Calculate the relative percent of each chelate extracted at a given pH and reagent concentration and with equal volumes of the two phases . = DHA ) 9. Ninety percent of a metal chelate is extracted ...
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