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 44
Pagina 399
... absorbance reading of most spectrometric measurements should be between 0.1 and 1.0 or 1.5 absorbance units for most accurate measurements . The Gilford spectrophotometer , by means of a photomultiplier feedback circuit , allows ...
... absorbance reading of most spectrometric measurements should be between 0.1 and 1.0 or 1.5 absorbance units for most accurate measurements . The Gilford spectrophotometer , by means of a photomultiplier feedback circuit , allows ...
Pagina 410
... absorbance measurements so that the color of the complex can fully develop . Once developed , the color is stable for hours . Dilute each solution to exactly 100 ml . The standards will correspond to 0.1 , 0.2 , 0.5 , 1 , and 2.5 ppm of ...
... absorbance measurements so that the color of the complex can fully develop . Once developed , the color is stable for hours . Dilute each solution to exactly 100 ml . The standards will correspond to 0.1 , 0.2 , 0.5 , 1 , and 2.5 ppm of ...
Pagina 416
... absorbance of 0.80 in a 2 - cm cell . Calculate the absorptivity of the molecule . 19. Several spectrophotometers have scales that are read either in absorbance or in percent transmittance . What would be the absorbance reading at 20 ...
... absorbance of 0.80 in a 2 - cm cell . Calculate the absorptivity of the molecule . 19. Several spectrophotometers have scales that are read either in absorbance or in percent transmittance . What would be the absorbance reading at 20 ...
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