Certain types of materials are encapsulated in wax (or other intermediate material) for a final product use or as an intermediate stage in a manufacturing process. Examples include pigments, fillers in polymers, or in this example, catalyst in wax. If the size of the encapsulated particles is of primary interest, the analysis method must find a way to remove the intermediate phase to suspend the primary particles. Most commonly, a suitable solvent that dissolves the intermediate, but not the primary particles is used. In some cases, an increased temperature can be used to melt this phase.
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