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However, for production of an essential oil extract from a plant, then quantity of CO 2 used will be a significant cost, and "complete" extraction not required, a yield of 70 - 80% perhaps being sufficient to provide economic returns. In another case, the selectivity may be more important, and a reduced rate of extraction will be preferable if ...
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Solid-phase microextraction sampling. Solid phase microextraction, or SPME, is a solid phase extraction sampling technique that involves the use of a fiber coated with an extracting phase, that can be a liquid or a solid (), [1] which extracts different kinds of analytes (including both volatile and non-volatile) from different kinds of media, that can be in liquid or gas phase. [2]
An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils , ethereal oils , aetheroleum , or simply as the oil of the plant from which they were extracted, such as oil of clove .
All-Volatile Treatment (Reducing) All-Volatile Treatment (Oxidizing) Oxygenated Treatment (Neutral Water Treatment) Oxygenated Treatment (Combined Water Treatment) Feedwater system piping: ferrus or mixed metallurgy (e.g. copper feedwater train) all-ferrous metallurgy: all-ferrous metallurgy: all-ferrous metallurgy Dissolved oxygen level < 10 ...
Solid-phase microextraction (SPME), is a solid phase extraction technique that involves the use of a fiber coated with an extracting phase, that can be a liquid or a solid , which extracts different kinds of analytes (including both volatile and non-volatile) from different kinds of media, that can be in liquid or gas phase. [9]
The remaining waxy mass is known as a concrete, which is a mixture of essential oil, waxes, resins, and other lipophilic (oil-soluble) plant material, since these solvents effectively remove all hydrophobic compounds in the raw material. The solvent is then removed by a lower temperature distillation process and reclaimed for re-use.
Volatile anaesthetics, a class of anaesthetics which evaporate or vaporize easily; Volatile substance abuse, the abuse of household inhalants containing volatile compounds; Volatile oil, also known as essential oil, an oil derived from plants with aromatic compounds used in cosmetic and flavoring industries