Date of Award

6-1959

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Medical

First Advisor

Gunnar Ryge

Second Advisor

Scott L. Kittsley

Third Advisor

A.G. Barkow

Abstract

Plaster of paris and related gypsum materials have been studied scientifically for nearly two centuries. According to W. A. Davis, Lavoisier conducted the first investigation on this material in 1765. Lavoisier concluded that plaster of paris hardens by simple crystallization. In 1884, Le Chatelier determined the relation of temperature to loss of water of crystallization and proposed a theory for the hardening of plaster of paris which is generally regarded as correct today.

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