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The hexane draws out the rose aroma, as well as some wax and pigments. A vacuum process removes the Hexane and leaves a thick wax-like mass which is called Concrete in the perfume industry. Alcohol is put through the Concrete which draws out the scent part only. This alcohol mixture is then evaporated under low pressure, leaving the pure scent extract behind. This is called Rose Absolute and is an amber yellow to deep red in color. This is the least expensive method of scent extraction. Removing rose scents by steam distilling involves large stills filled with rose petals and water. The still is heated for a period of time, until the water vapor along with rose oil vaporizes out of the still and into a condenser, where the condensate is run off into a container. gambling laws in nevada age limits u s online gambling age buy slot elvis slot
