Crystallization of Supersaturated Sodium Acetate - Commercial Application
A chemical hot pack uses the crystallization of sodium acetate to provide a portable heat source. The 10 thumbnail images summarize the content of the video. Click an image to see the image gallery.
Now a commercial application of this crystallization process is shown. A metal disc is manipulated inside a sealed plastic bag holding the sodium acetate solution. This causes the sodium acetate to crystallize. The digital thermometer shows that the temperature of the heating pack has gone up significantly from room temperature. This heating pack provides an easily portable method of having heat available whenever and wherever it is needed.
Without a seed crystal to act as a template for formation of a crystal lattice, crystallization is very slowand a solution can be supersaturated for a long time. Because this crystallization process is exothermicit has practical application as a heating pad.
Without a seed crystal to act as a template for formation of a crystal lattice, crystallization is very slow and a solution can be supersaturated for a long time. Because this crystallization process is exothermic it has practical application as a heating pad.
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