Analytical ChemistryWiley, 6 gen 1994 - 840 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
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Pagina 315
Gary D. Christian. 11.10 ACCURACY OF DIRECT POTENTIOMETRIC MEASUREMENTS We can get an idea of the accuracy required in potentiometric measurements from the percent error caused by a 1 - mV error in the reading at 25 ° C . For an ...
Gary D. Christian. 11.10 ACCURACY OF DIRECT POTENTIOMETRIC MEASUREMENTS We can get an idea of the accuracy required in potentiometric measurements from the percent error caused by a 1 - mV error in the reading at 25 ° C . For an ...
Pagina 322
... measurements . The pH values of the buffers were determined by measuring their pH using a hydro- gen - indicating ... measurements . Many blood pH measurements are made at 38 ° C , which is near body temperature ; thus , the pH of the ...
... measurements . The pH values of the buffers were determined by measuring their pH using a hydro- gen - indicating ... measurements . Many blood pH measurements are made at 38 ° C , which is near body temperature ; thus , the pH of the ...
Pagina 326
... measurements within 15 minutes after sample collection , if possible , or else keep the sample on ice and make the measurements within 2 hours . The sample is equili- brated to 37 ° C before measuring . ( If a pCO2 measurement is to be ...
... measurements within 15 minutes after sample collection , if possible , or else keep the sample on ice and make the measurements within 2 hours . The sample is equili- brated to 37 ° C before measuring . ( If a pCO2 measurement is to be ...
Sommario
Data Handling | 14 |
Stoichiometric Calculations | 65 |
General Concepts of Equilibrium | 115 |
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absorbance acetic acid acid solution added AgCl agent analysis analyte anion base beaker buffer buret Ca2+ calcium Calculate calibration curve carbon cell Chapter chelate Chem chemical chloride chromatography color column complex compounds concentration containing detector determined dilute dissociation dissolved EDTA eluted end point enzyme Equation equilibrium constant equivalence point error example extraction Fe2+ Figure filter flame fluorescence glass H₂O half-reaction HOAc hydrogen indicator injected instrument ion-selective electrodes ionic strength ionization iron(III liquid measurements method millimoles mixture mmol mmol/mL molarity molecules moles NaOH Nernst equation obtained oxidizing oxidizing agent peak phase pipet potassium potential precipitate prepared proton quantitative radiation ratio react reaction reagent redox reference electrode salt sample separation serum silver sodium sodium hydroxide solubility solvent species spectrometry substances temperature tion titration titration curve tube unknown volume volumetric flask wavelength weak acid weight