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Heat of Fusion

The heat of fusion is the heat in calories required to convert 1 g of a material from the solid to the liquid state at the melting temperature. The equation for the calculation of heat of fusion is L = Q/m, where Q is the total heat absorbed and m is the mass of the substance.

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                                       L          Temp.
Material             Product        (cal/g)      (deg. C)    Ref.
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Gutta-percha (pure)                   45.2         74         111
Ice                                   79.7          0           1
Mercury                                2.8        -38         130
Pure metals
  Chromium                            96         1875         130
  Copper                              50.6       1083         130
  Gold                                16.1       1063         130
  Nickel                              73.8       1453         130
  Palladium                           34.2       1552         130
  Platinum                            26.9       1769         130
  Silver                              25          961         130
  Zinc                                24.09       420         130
Waxes
  Beeswax            Ross Co.         42.8         62.8        67
  Carnauba           Ross Co.         45.5         82.8        67
  Inlay casting      Kerr blue hard   45.9         60.0        67
  Paraffin           Ross Co.         42.4         52.0        67
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Introduction to Biomaterials Properties | Biomaterials Properties Table Listing |
References (1-100) | References (101-200) | References (201-244) |

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Revised April, 1996
Biomaterials Properties Database, University of Michigan
Contact: Dr William J. O'Brien, Director (FAX: 313-647-5293).
Copyright © Quintessence Publishing, 1996.

http://www.lib.umich.edu/dentlib/Dental_tables/Heatfusion.html

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