Abstract
Technical “stearic acid” hardens paraffins melting at 52° C. and above, and at the same time lowers the melting point. Spermaceti wax further lowers the melting point of such a mixture without much effect on the hardness. With these two substances, and one of the anti-crystallizing adjuvants already found satisfactory, embedding media yielding thin sections at room temperature and having melting point below 52° C. can easily be prepared. A general method is given, specific formulas are stated, and the behavior at various temperatures of typical embedding media of this kind is described.
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