Analytical Chemistry: An IntroductionHolt, Rinehart and Winston, 1965 - 527 pagine |
Dall'interno del libro
Risultati 1-3 di 59
Pagina 48
... range of plus or minus one standard deviation ( 0.11 percent ) about the average value of 56.06 percent , and nineteen out of twenty within twice this range ( 2 × 0.11 percent ) . These estimates are , of course , provisional upon the ...
... range of plus or minus one standard deviation ( 0.11 percent ) about the average value of 56.06 percent , and nineteen out of twenty within twice this range ( 2 × 0.11 percent ) . These estimates are , of course , provisional upon the ...
Pagina 263
... range 6.4 to 8.0 , is commonly employed . Substitution of halogens or alkyl groups for the hydrogens in the phenolic rings of the parent compound leads to a large variety of indicators that differ in color and pH range . Azo Indicators ...
... range 6.4 to 8.0 , is commonly employed . Substitution of halogens or alkyl groups for the hydrogens in the phenolic rings of the parent compound leads to a large variety of indicators that differ in color and pH range . Azo Indicators ...
Pagina 487
... range of the species to be determined ? What accuracy is demanded by the use to which the data are to be put ? What other elements or compounds are present in the substance ? What are the physical and chemical properties of the sample ...
... range of the species to be determined ? What accuracy is demanded by the use to which the data are to be put ? What other elements or compounds are present in the substance ? What are the physical and chemical properties of the sample ...
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