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A detailed description of a substance termed alumen occurs in the Roman Pliny the Elder's Natural History. [8] By comparing Pliny's description with the account of stypteria (στυπτηρία) given by Dioscorides, [9] it is obvious the two are identical. Pliny informs us that a form of alumen was found naturally in the earth, and terms it ...
The English name alum does not come directly from Latin, whereas alumine/alumina comes from the Latin word alumen (upon declension, alumen changes to alumin-). One example was Essai sur la Nomenclature chimique (July 1811), written in French by a Swedish chemist, Jöns Jacob Berzelius , in which the name aluminium is given to the element that ...
Crystals of alum, the naturally occurring form of which was known back to the ancients.. The history of aluminium was shaped by the usage of its compound alum.The first written record of alum was in the 5th century BCE by Greek historian Herodotus. [2]
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It is derived from the Greek word alumen, meaning bitter salt, or the Latin alum, the mineral. [36] Gallium is derived from the Latin Gallia , referring to France, the place of its discovery. [ 37 ] Indium comes from the Latin word indicum , meaning indigo dye , and refers to the element's prominent indigo spectroscopic line. [ 38 ]
Aluminium alloy bicycle wheel. 1960s Bootie Folding Cycle. Aluminium alloys with a wide range of properties are used in engineering structures. Alloy systems are classified by a number system or by names indicating their main alloying constituents (DIN and ISO).
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3003 aluminium alloy is an alloy in the wrought aluminium-manganese family (3000 or 3xxx series). It can be cold worked (but not, unlike some other types of aluminium alloys, heat-treated) to produce tempers with a higher strength but a lower ductility.