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Perfume ( UK: / ˈpɜːfjuːm /, US: / pərˈfjuːm /; French: parfum) 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]
Retail Price Index. In the United Kingdom, the Retail Prices Index or Retail Price Index [1] ( RPI) is a measure of inflation published monthly by the Office for National Statistics. It measures the change in the cost of a representative sample of retail goods and services . As the RPI was held not to meet international statistical standards ...
In chemistry, in situ typically means "in the reaction mixture." There are numerous situations in which chemical intermediates are synthesized in situ in various processes. This may be done because the species is unstable, and cannot be isolated, or simply out of convenience. Examples of the former include the Corey-Chaykovsky reagent and ...
As of 2020, the most expensive non- synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume. Carbon in the form of diamond can be more expensive than rhodium. Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars.
In inventory management, a stock keeping unit (abbreviated as SKU, pronounced es-kay-YOO or SKEW [1]) is the unit of measure in which the stocks of a material are managed.It is a distinct type of item for sale, [2] purchase, or tracking in inventory, [3] such as a product or service, and all attributes associated with the item type that distinguish it from other item types (for a product ...
The chemical industry comprises the companies and other organizations that develop and produce industrial, specialty and other chemicals. Central to the modern world economy, it converts raw materials ( oil, natural gas, air, water, metals, and minerals) into commodity chemicals for industrial and consumer products.
Pharmacist. A pharmacist, also known as a chemist in Commonwealth English, is a healthcare professional who is knowledgeable about preparation, mechanism of action, clinical usage and legislation of medications in order to dispense them safely to the public and to provide consultancy services. [1] [2] A pharmacist also often serves as a primary ...
Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.