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Fragrance bottles. An aroma compound, also known as an odorant, aroma, fragrance or flavoring, is a chemical compound that has a smell or odor. For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficiently volatile for transmission via the air to the olfactory system in the upper part of the nose.
Fragrance lamp. Also known as a "perfume lamp", "effusion lamp," or "catalytic lamp", a fragrance lamp is a lamp that disperses scented alcohol using a catalytic combustion wick consisting of a cotton wick threaded through a natural, porous stone. The catalytic combustion wick was developed and patented by Maurice Berger, a French ...
9780367417246 (101st ed.) Website. https://hbcp.chemnetbase.com. The CRC Handbook of Chemistry and Physics is a comprehensive one-volume reference resource for science research. First published in 1914, it is currently (as of 2023) in its 104th edition, published in 2023. It is known colloquially among chemists as the "Rubber Bible", as CRC ...
Perfume (UK: / ˈ p ɜː f j uː m /, US: / p ər ˈ f j uː m / ⓘ) is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. [1]
v. t. e. Aromatherapy is a practice based on the use of aromatic materials, including essential oils and other aroma compounds, with claims for improving psychological well-being. [ 1 ][ 2 ][ 3 ] It is used as a complementary therapy or as a form of alternative medicine, and typically is used via inhalation and not by ingestion.
Three-dimensional rendering of diffusion of purple dye in water. Diffusion is the net movement of anything (for example, atoms, ions, molecules, energy) generally from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in Gibbs free energy or chemical potential.
Fragrance wheel. A fragrance wheel [1] also known as aroma wheel, fragrance circle, perfume wheel or smell wheel, is a circular diagram showing the inferred relationships among olfactory groups based upon similarities and differences in their odor. [ 1 ] The groups bordering one another are implied to share common olfactory characteristics.
Fragrance oils, also known as aroma oils, aromatic oils, and flavor oils, are blended synthetic aroma compounds or natural essential oils that are diluted with a carrier like propylene glycol, vegetable oil, or mineral oil. To allergic or otherwise sensitive people, synthetic fragrance oils are often less desirable than plant-derived essential ...