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Arsenic is the 53rd most abundant element in the Earth's crust, comprising about 1.5 parts per million (0.00015%). [43] Typical background concentrations of arsenic do not exceed 3 ng/m 3 in the atmosphere; 100 mg/kg in soil; 400 μg/kg in vegetation; 10 μg/L in freshwater and 1.5 μg/L in seawater. [44]
Witness intimidation (2003) Akinwale Oluwafolajimi Oluwatope Arobieke (born 15 July 1961), commonly known as Purple Aki, is a British man known for his criminal convictions for harassment. He has been convicted for touching and measuring the muscles of young men and asking them to squat his body weight. These crimes were originally ruled as ...
Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness ( desiccation) in its vicinity; it is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids that absorb water.
Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]
The word garnet comes from the 14th-century Middle English word gernet, meaning 'dark red'. It is borrowed from Old French grenate from Latin granatus, from granum ('grain, seed'). [3] This is possibly a reference to mela granatum or even pomum granatum (' pomegranate ', [4] Punica granatum ), a plant whose fruits contain abundant and vivid red ...
Fuel pumps in Ireland, with green gas oil and red kerosene, and notices that it is an offence to use marked fuels in a motor vehicle.. After August 2002, all European Union countries became obliged to add about 6 mg/L (0.034 oz/bbl) of Solvent Yellow 124, a dye with structure similar to Solvent Yellow 56, to heating fuel.
Lysergic acid diethylamide, commonly known as LSD (from German Lysergsäure-diethylamid ), and known colloquially as acid or lucy, is a potent psychedelic drug. [12] Effects typically include intensified thoughts, emotions, and sensory perception. [13] At sufficiently high dosages, LSD manifests primarily mental, visual, and auditory ...
Contents. Chemical weapons in World War I. A French gas attack on German trenches in Flanders, Belgium (1917). The use of toxic chemicals as weapons dates back thousands of years, but the first large-scale use of chemical weapons was during World War I. [1] [2] They were primarily used to demoralize, injure, and kill entrenched defenders ...