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HYDROMETER MEASURES POTENTIAL ALCOHOL CONTENT
Hydrometer in 90 Proof Vodka
The typical hydrometer measures specific gravity (S.G.), potential alcohol (P.A.), and sugar. As the alcohol concentration decreases the specific gravity increases and the hydrometer floats higher in the solution. External temp. can effect the reading.
Copyright:© 2010 Paul Silverman - Fundamental Photographs
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