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    Temperature differences

    Forgot to tell you to use water in the lower half of the double boiler. It is important not to cover the boiler as this will raise the pressure which raises the boiling temperature of the alcohol. Open air boiling the temperature will stay the same until all alcohol is boiled out. This should be...
  2. F

    Temperature differences

    you can calibrate a thermometer by boiling alcohol in a double boiler. Alcohol boils at 100 degrees. You have to be careful to not let the alcohol fumes come in contact with the flames as it is flammable. DO NOT COVER THE BOILER. You bring it to a boil with the thermometer in the alcohol then...
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