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Essential Extraction Corp
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The Essential Extraction Corporation's Patent Pending Little Buddy Extractor is used for small batch extractions and to filter crude oils and extracts. Small Batch capabilities benefits growers and processors by allowing them to extract oil to be analyzed prior to committing resources. CO2 chromatography has the combined benefits of a liquid to dissolve the medium matrix and also an inert gas to push material through filters and media. Typically, eluent strength is increased by using a polar co-solvent such as methanol, possibly with a weak acid or base at low concentrations ~1%. The solvent strength of CO2 can be increased by increasing density or using a polar co-solvent, however in doing so the fraction of co-solvent takes over the CO2 as the mobile phase. Co-solvents are typically simple alcohols like methanol, ethanol, or isopropyl alcohol. Especially for food grade materials, the selected co-solvent should be ethanol or ethyl acetate, both of which are generally recognized as safe for food production.The LB-1 works by condensing the intake supply of CO2 gas into a heavy dense cold liquid which fills the process vessel. With temperature control and back pressure regulation, material in the process vessel is pushed through media of your choosing and two in-line filters (various micron sizes available) achieve a wide range of capabilities in isolating and filtering specific components. The filtered material accumulates in the collection vessel as the CO2 passes back into a gas leaving the heavy botanical mass at the bottom to be collected.