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The furnace is heated by passing current through electric resistive elements.
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A control circuit turns these heating coils on while the thermocouple reading is below the set point.
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The white walls of the furnace interior are alumina silicate, a ceramic.
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These walls act as a thermal mass and radiate the thermal energy into the furnace cavity.
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The ceramic insulates the furnace so that it can maintain the set temperature more efficiently.
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A thermocouple in the back of the furnace detects the internal furnace temperature.
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Sufficient time should be allowed so that the sample is heated to the temperature readout given by the thermocouple.
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Almost done!
Finish Line
