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  2. Concrete (perfumery) - Wikipedia

    en.wikipedia.org/wiki/Concrete_(perfumery)

    However, currently, there is no universal method for analyzing the amount of residual pesticides in concretes that could show if the amount of residual pesticide in a concrete sample is safe. Previous analyses that used gas chromatography were heavily affected by the different components of the complex mixture of concrete samples.

  3. Fragrance extraction - Wikipedia

    en.wikipedia.org/wiki/Fragrance_extraction

    The water collected from the condensate, which retains some of the fragrant compounds and oils from the raw material, is called hydrosol and is sometimes sold for consumer and commercial use. This method is most commonly used for fresh plant materials such as flowers, leaves, and stems. Popular hydrosols are rose water, lavender water, and ...

  4. Absolute (perfumery) - Wikipedia

    en.wikipedia.org/wiki/Absolute_(perfumery)

    First, plant material is extracted with a hydrocarbon solvent, such as hexane, to yield concrete. The concrete is then extracted with ethanol. The ethanol extract is cooled (e.g., to −15 °C) to solidify waxes, and cold filtered to yield a liquid extract. When the ethanol evaporates, an oil—the absolute—is left behind. [1]

  5. Extract - Wikipedia

    en.wikipedia.org/wiki/Extract

    The majority of concentrated fruit flavors, such as banana, cherry, peach, pineapple, raspberry, and strawberry, are produced by combining a variety of esters with special oils. Suitable coloring is generally obtained by the use of dyes. Among the esters most generally employed are ethyl acetate and ethyl butyrate.

  6. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    For water treatment applications, the solvent stream is purified water and the solute stream is concentrated waste. [36] The solvent waste stream from food processing may be used as reclaimed water , but there may be fewer options for disposal of a concentrated waste solute stream.

  7. We Tested the Water Bottle that "Flavors" Your Water Through ...

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  8. Water treatment - Wikipedia

    en.wikipedia.org/wiki/Water_treatment

    Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

  9. When do the NFL playoffs start? Schedule, start date for 2024 ...

    www.aol.com/nfl-playoffs-start-schedule-start...

    Playoffs? Playoffs?! Well, Jim Mora, the NFL regular season has just five weeks left to play. It's getting to be that time to turn our attention ahead to the 2024 NFL playoffs schedule.. As of the ...

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