Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
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Pagina 130
... surface area exhibited by a solid in this state of subdivision . The specific surface of a solid is defined as the exposed surface area per unit weight of the solid , and is often expressed in units of square centimeters per gram . As ...
... surface area exhibited by a solid in this state of subdivision . The specific surface of a solid is defined as the exposed surface area per unit weight of the solid , and is often expressed in units of square centimeters per gram . As ...
Pagina 131
... Surface Area of 3 Grams of a Solid in Various States of Subdivision Dimensions of Cube , cm Specific Surface cm2 / gram 1 0.1 0.01 0.0001 0.000001 2 20 200 20,000 2,000,000 A colloidal suspension of only 1 gram of this solid , then ...
... Surface Area of 3 Grams of a Solid in Various States of Subdivision Dimensions of Cube , cm Specific Surface cm2 / gram 1 0.1 0.01 0.0001 0.000001 2 20 200 20,000 2,000,000 A colloidal suspension of only 1 gram of this solid , then ...
Pagina 139
... SURFACE ADSORPTION BY COLLOIDAL PRECIPITATES All precipitates carry down soluble impurities by adsorption on their surfaces . However , only where the specific surface areas are great does coprecipitation of this type have an ...
... SURFACE ADSORPTION BY COLLOIDAL PRECIPITATES All precipitates carry down soluble impurities by adsorption on their surfaces . However , only where the specific surface areas are great does coprecipitation of this type have an ...
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