Answer to Question #32530 in Organic Chemistry for Mohamad
can you help me to determine a material or indicator that it specify the 2ethylhexanol content in Dioctyl phthalate (dop) sample.
please advice me.
thank you very much.
The percentage of alcohol in solution (and thus the "proof") is usually determined using a hydrometer, a device that measures the density (or the specific gravity to be more precise) of the solution. As the percentage of alcohol in a solution increases, the density decreases because alcohol has a lower density that water. The hydrometer is a floating device that has a long stem that sticks out of the solution. As the density of the solution decreases the hydrometer sinks further into the liquid. The amount of the stem that sticks out of the solution is a measure of the percentage of alcohol or the proof - the more of the stem that sticks out of the solution, the lower the "proof".
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