A second method is the ebulliometer method, which uses the difference between the boiling temperature of pure water and the boiling temperature of the liquor ( beer ) being tested.
2.
Such an ebulliometer can be used for extremely accurate measurements of boiling temperature, molecular weights, mutual solubilities, and solvent purities by using a resistance thermometer ( RTD ) to measure the near-equilibrium conditions of the thermowell.
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