# Determine Specific Gravity?

Specific gravity can be determined using a hydrometer, which is simply a bulb that has a stem. The hydrometer is placed in a reference liquid, which can be water, and the level of liquid on the stem is marked. Then the hydrometer is placed in a liquid with an undetermined density and any changes in displacement is noted. Specific gravity can also be determined using a pycnometer.
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 1. Place the 10-mL graduated cylinder on the balance and press the "zero" or "tare" button. If using a conventional balance with sliding weights, you should measure http://www.ehow.com/how_7549765_determine-specific...
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 The term specific gravity means density in comparison to that of water. Density is weight divided by volume. So to get the volume, pour the oil into a graduated cylinder or measuring http://wiki.answers.com/Q/How_to_determine_specifi...
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