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Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound first mentioned under various Sanskrit names in Ayurvedic medicinal texts such as charak samhita, sushrut samhita, and ashtang hridaya; is chemically defined as the double sulfate of potassium and aluminium, with chemical formula KAl(SO 4) 2.
The composition of common alum was determined finally by Louis Vauquelin in 1797. As soon as Martin Klaproth discovered the presence of potassium in leucite and lepidolite, [17] [18] [e] Vauquelin demonstrated that common alum is a double salt, composed of sulfuric acid, alumina, and potash. [19]
Phosphorite (name given to impure, massive apatite.) Pimelite; Pitchblende (a massive impure form of uraninite) Plessite (mixture of kamacite and taenite) Potassium alum or potash alum (as a mineral, is called alum-(K))
Alum-(K) is a hydrous potassium aluminium sulfate mineral with formula KAl(SO 4) 2 ·12(H 2 O). It is the mineral form of potassium alum and is referred to as potassium alum in older sources. It is a member of the alum group. [2] It occurs as colorless to white, soft isometric crystals and efflorescence coatings. [3]
The aluminum reacts within the sweat gland to form a colloid which physically prevents sweating. Alum (typically potassium alum or ammonium alum, also described as "rock alum", or "rock crystal", or "natural deodorant"). Alum is a natural crystalline product widely used both historically and in modern times as a deodorant, because it inhibits ...
Potassium alum – AlK(SO 4) 2; Potassium aluminium fluoride – KAlF 4; Potassium amide – KNH 2; Potassium argentocyanide – KAg(CN) 2; Potassium arsenite – KAsO 2; Potassium azide – KN 3; Potassium borate – K 2 B 4 O 7 ·4H 2 O; Potassium bromide – KBr; Potassium bicarbonate – KHCO 3; Potassium bifluoride – KHF 2; Potassium ...
Chrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium. Its chemical formula is KCr(SO 4 ) 2 and it is commonly found in its dodecahydrate form as KCr(SO 4 ) 2 ·12(H 2 O).
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