Separation and recovery of the components of a

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Unformatted text preview: ration and Recovery of the Components of a Mixture PURPOSE AND LEARNING OBJECTIVES To become familiar with the concept of quantitative analysis To separate and quantitatively recover the components of a mixture of sodium chloride, silicon dioxide, and calcium carbonate To become familiar with common laboratory techniques (filtration, decanting, evaporation, stirring, etc.) Quantitative Analysis focuses on determination of the amounts of the material (substance) of interest NaCl sodium chloride SiO2 silicon dioxide CaCO3 calcium carbonate Spring 2007 Separation/Purification and Recovery in Chemical Applications Physical Methods: make use of the differences in the physical properties of the components of the mixture, such as: Solubility Boiling point Melting point Particle size Chemical Methods: make use of selective reactivity of the components of the mixture towards certain chemical reagents Spring 2007 Physical and Chemical Properties of the Components of the Mixture Substa...
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