Luke edition elects 6 topics 1 "Salt Refining" ppt Learning Objective 1. Familiar with salt refining experiment methods, principles and principles of impurity removal 2. Understand salt refining experiment equipment and basic operation. 3. Master the common methods of substance separation and purification. 1. Refining of crude salt water The purpose of the experiment is to remove ______________, ________, _________, _________, _______ and other impurity ions in crude brine. 2. Experimental method When purifying the solution, select the appropriate reagent to convert ____________ in the solution to ________ to remove. This method is called __________________.
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