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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/16597

Title: Abnormal Behavior in Adiabatic Calorimetry of Dental Stone.
Authors: Hisatsune, K.
El-Araby, A.
Iwanuma, K.
Tanaka, Y.
Udoh, K.
Yasuda, K.
Keywords: Abnormal behavior; adiabatic calorimetry; set dental stone
Issue Date: 1995
Publisher: Nihon Shika Riko Gakkai/Japanese Society for Dental Materials and Devices
Citation: Dental Materials Journal: 14(1); 84-87
Abstract: Dehydration in set dental stone was studied by employing specific heat measurements. Dehydration proceeds in two steps in air. In the case of bulk samples, especially those made with a lower water-powder ratio, three endothermic reaction stages are observed; a reaction of the dihydrate to the hemihydrate is apparently separated in two, one of which is not inherent. It is thought that the occurrence of a new peak is due to the difficulty for the dehydrated water to escape, depending on the porosity of the set stone.
URI: http://hdl.handle.net/123456789/16597
ISSN: 0287-4547
Appears in Collections:College of Dentistry

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