Fundamentals of Analytical ChemistryHolt, Rinehart and Winston, 1969 - 835 pagine |
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Pagina 120
Douglas A. Skoog, Donald M. West. The term gravimetric pertains to a weight measurement , and a gravimetric method is one in which the analysis is completed by a weighing operation . Two types of gravimetric analyses may be distinguished ...
Douglas A. Skoog, Donald M. West. The term gravimetric pertains to a weight measurement , and a gravimetric method is one in which the analysis is completed by a weighing operation . Two types of gravimetric analyses may be distinguished ...
Pagina 122
... GRAVIMETRIC ANALYSES ; THE GRAVIMETRIC FACTOR A gravimetric analysis is based upon the experimental measurement of two quantities , the weight of sample taken and the weight of a compound of known composition derived from that sample ...
... GRAVIMETRIC ANALYSES ; THE GRAVIMETRIC FACTOR A gravimetric analysis is based upon the experimental measurement of two quantities , the weight of sample taken and the weight of a compound of known composition derived from that sample ...
Pagina 124
... gravimetric factor percent A = wt of ppt X gfw of A gfw of ppt wt of sample X × 100 Tables of gravimetric factors and their logarithms are to be found in chemical handbooks . A few are listed in Table 5-1 . TABLE 5-1 / TYPICAL GRAVIMETRIC ...
... gravimetric factor percent A = wt of ppt X gfw of A gfw of ppt wt of sample X × 100 Tables of gravimetric factors and their logarithms are to be found in chemical handbooks . A few are listed in Table 5-1 . TABLE 5-1 / TYPICAL GRAVIMETRIC ...
Sommario
1 The Scope of Analytical Chemistry | 1 |
2 Review of Elementary Concepts Important to Analytical Chemistry | 7 |
3 The Evaluation of Analytical Data | 25 |
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2H₂O absorbance absorption acetic acetic acid acid solution addition AgNO3 alkaline analysis analytical anode application aqueous base buffer calcium Calculate carbonate cathode cations cell cerium(IV chemical chloride color complex compounds copper(II coulometric crucible determined dilute dissociation dissolved EDTA electrolyte employed end point equation equilibrium constant equivalence point error ethanol example excess F with respect Fe3+ filter flask formal concentration formation glass H₂O H3O+ half-reaction hydrochloric acid hydrogen ion hydronium ion indicator iodide iodine ion concentration iron(III liquid measurement mercury(II metal method mixture mole/liter NaOH obtained oxalate oxidation particles percent perchloric acid permanganate potassium precipitate procedure quantity radiation reaction reagent reduced result salt sample saturated calomel electrode silver ion sodium solid solubility solution containing solvent species standard hydrogen electrode standard solution substance sulfate sulfuric sulfuric acid temperature tion titration titration curve volume volumetric wavelength weak acid