Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 69
Pagina 379
... iron ( III ) ions pro- duced in the titration and prevents the intense yellow color of the iron ( III ) chloride complexes from interfering with the end point . The detailed procedure that follows provides a choice between two methods ...
... iron ( III ) ions pro- duced in the titration and prevents the intense yellow color of the iron ( III ) chloride complexes from interfering with the end point . The detailed procedure that follows provides a choice between two methods ...
Pagina 406
... iron is converted to the tri- valent state . Evaporation and fuming with sulfuric acid redissolves the metastannic acid but may cause precipitation of part of the lead as the sulfate . The copper , zinc , and iron are unaffected . Upon ...
... iron is converted to the tri- valent state . Evaporation and fuming with sulfuric acid redissolves the metastannic acid but may cause precipitation of part of the lead as the sulfate . The copper , zinc , and iron are unaffected . Upon ...
Pagina 478
... iron , an excess of reducing agent is added to the solution to keep the iron in the reduced state ; hydroquinone or hydroxylamine hydrochloride are convenient for this purpose . Once formed , the color of the complex is stable for long ...
... iron , an excess of reducing agent is added to the solution to keep the iron in the reduced state ; hydroquinone or hydroxylamine hydrochloride are convenient for this purpose . Once formed , the color of the complex is stable for long ...
Sommario
The Scope of Analytical Chemistry | 1 |
Some Elementary Concepts | 7 |
The Evaluation of Analytical Data | 34 |
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absorbance absorption acid solution addition AgCl AgNO3 aliquot analysis analytical barium base buffer buret Calculate carbonate cell cerium chemical chemist chloride ion colloidal color complex compound coprecipitation crucible determined deviation dilute dissociation dissolved employed end point equation equilibrium constant equivalence point equivalent weight error example excess F solution Fe2+ filter flask formal concentration formula weight grams gravimetric H₂ H₂O H3O+ half reaction hydrogen ion hydronium ion hydroxide indicator iodide iodine ion concentration iron iron III KMnO4 liquid liter measurement metal method milliequivalents ml of water mol/liter NaOH normality oxalate oxidation particles percent permanganate phenolphthalein pipet potassium potentiometric precipitate quantity radiation reagent reduced result salt sample silver chloride silver ion silver nitrate sodium sodium carbonate solid solubility solvent species standard hydrogen electrode standard solution substance sulfate sulfuric acid temperature thiocyanate tion titration curve volt volume volumetric wash weak acid