Effect of form of reagent on particle sizes of precipitates |
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Authors: | Robert B. Fischer |
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Affiliation: | Depertment of Chemistry, Indiana University, Bloomington, IndU.S.A. |
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Abstract: | The particle size of an ionic precipitate is much smaller when one of the reactants is introduced as a solid rather than as a solution The effect is enhanced as the particle size of the solid reagent is decreased. The presence of a freshly dissolved inert electrolyte also influences the particle size of a precipitate The affects are not attributable merely to the degree of supersaturation but rather to the provision by the freshly dissolved material of sites upon which nucleation can be induced. |
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