Analytical ChemistryXerox College Pub., 1971 - 508 pagine |
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Pagina 67
... sulfuric acids is the second most often used oxidation procedure . Usually a small amount ( for example , 5 ml ) of sulfuric acid is used with larger volumes of nitric acid ( 20-30 ml ) . Wet digestions are usually performed in a ...
... sulfuric acids is the second most often used oxidation procedure . Usually a small amount ( for example , 5 ml ) of sulfuric acid is used with larger volumes of nitric acid ( 20-30 ml ) . Wet digestions are usually performed in a ...
Pagina 68
... sulfuric acid is used . The mixture of nitric and perchloric acids can be used for lead and all the above elements . Perchloric acid must be present to prevent losses of selenium . It maintains strong oxidizing conditions and prevents ...
... sulfuric acid is used . The mixture of nitric and perchloric acids can be used for lead and all the above elements . Perchloric acid must be present to prevent losses of selenium . It maintains strong oxidizing conditions and prevents ...
Pagina 147
... sulfuric acid , potassium dichromate , sodium thiosulfate , soluble starch , mercuric iodide , potassium bro- mide , sodium carbonate , 0.2 M Na2HPO4 . 1. Preparation of reagents . ( a ) Potassium iodide . Prepare 25 ml of a 20 ...
... sulfuric acid , potassium dichromate , sodium thiosulfate , soluble starch , mercuric iodide , potassium bro- mide , sodium carbonate , 0.2 M Na2HPO4 . 1. Preparation of reagents . ( a ) Potassium iodide . Prepare 25 ml of a 20 ...
Sommario
Introduction | 3 |
Basic Tools of Analytical Chemistry | 15 |
Experiment | 16 |
Copyright | |
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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