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Barium sulfate is a contrast agent. Barium sulfate works by coating the inside of your esophagus, stomach, or intestines which allows them to be seen more clearly on a CT scan or other radiologic ( x-ray) examination. Barium sulfate is used to help diagnose certain disorders of the esophagus, stomach, or intestines.
A thermohydrometer is an instrument used to measure the temperature and humidity of the air1 It can be used to control the environment and ensure it has the correct humidity level. A thermohydrometer can measure humidity based on different quantities, such as pressure, temperature, mass, or an electrical or mechanical change in a substance.
