Astm — D95 Pdf !link!

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: Vapors pass through a condenser and are collected in a graduated Dean-Stark trap . Because water is denser and immiscible with the solvent, it settles at the bottom of the trap. Astm D95 Pdf

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A sample is heated under reflux with a water-immiscible solvent (like xylene or toluene). Astm D95 Pdf

The standard specifies a specialized distillation apparatus consisting of: A glass or metal vessel (usually 500 mL to 2000 mL). Heater: Typically an electric heating mantle or gas burner.