Analytical ChemistryXerox College Pub., 1971 - 508 pagine |
Dall'interno del libro
Risultati 1-3 di 24
Pagina 96
... Chelates The most widely used method of extracting metal ions is formation of a chelate molecule with an organic chelating agent . Many of these reagents form colored chelates with metal ions and form the basis of spectrophotometric ...
... Chelates The most widely used method of extracting metal ions is formation of a chelate molecule with an organic chelating agent . Many of these reagents form colored chelates with metal ions and form the basis of spectrophotometric ...
Pagina 97
... chelate in the organic layer is not exceeded . This equation also assumes no dis- sociation in the organic phase . The extraction efficiency can be affected only by changing the reagent concentration or by changing the pH . A tenfold ...
... chelate in the organic layer is not exceeded . This equation also assumes no dis- sociation in the organic phase . The extraction efficiency can be affected only by changing the reagent concentration or by changing the pH . A tenfold ...
Pagina 214
... chelate is small . 14.2.2 Titration Curves A titration is performed by adding the chelating agent to the sample , and the reaction occurs as in Equation 14.9 . The titration curve for Ca2 + titrated with EDTA at pH 10 ( solid curve ) is ...
... chelate is small . 14.2.2 Titration Curves A titration is performed by adding the chelating agent to the sample , and the reaction occurs as in Equation 14.9 . The titration curve for Ca2 + titrated with EDTA at pH 10 ( solid curve ) is ...
Sommario
Introduction | 3 |
Basic Tools of Analytical Chemistry | 15 |
Experiment | 16 |
Copyright | |
29 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
absorbance absorption acetic acid solution activity activity coefficient added agent alkaline amount analysis analytical anion atomic beaker beta particles blood buffer buret calcium Calculate calibration carbon cathode cell chelate chloride chromatography color column complex compounds concentration constant containing coulometric crucible decrease detector determined dilute dissolved distilled water EDTA electrode electrolyte eluted end point enzyme Equation equivalence point Erlenmeyer flask error example extraction Figure filter flame flask glass glucose half-reaction hydrochloric acid hydrogen hydroxide indicator instrument iodide ion-selective electrodes ionization measured mercury metal mixture mmoles molecule NaOH Nernst equation nitrogen oxidizing oxidizing agent particles percent perchloric acid pipet potassium potential precipitate prepared procedure protein reaction reagent redox reduced salt sample separation serum sodium soluble solvent substance sulfuric sulfuric acid temperature titration titration curve tube unknown volume volumetric volumetric flask wavelength weight zero