Potassium alum was also known to the Ancient Egyptians, who obtained it from evaporites in the Western desert and reportedly used it as early as 1500 BCE to reduce the visible cloudiness ( turbidity) in the water. [citation needed] L' alun ordinaire (du latin "alumen" ), alun de potassium ou encore disulfate d'aluminium et de potassium, est un sel double de formule chimique KAl (SO 4) 2 •12 H 2 O. C'est un minéral présent naturellement dans diverses régions du monde, telles la Syrie et le Maroc. Il peut également être synthétisé . Histoire
Alun de Potassium Cooper 250 g
An alum ( / ˈæləm /) is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl (SO 4) 2·12 H 2O, such that X is a monovalent cation such as potassium or ammonium. [1] By itself, "alum" often refers to potassium alum, with the formula KAl (SO 4) 2·12 H 2O. Alum for skin: Uses, benefits, and safety. Alum is a compound that contains aluminum. In cosmetics, alum usually refers to potassium alum, which has astringent and antibacterial properties. Identification Generic Name Potassium alum DrugBank Accession Number DB09087 Background. Potassium alum is considered by the FDA as a generally recognized as safe (GRAS) substance. 9 It is an inorganic salt, also called potassium aluminum sulfate with a formula of AlK(SO4)2 that is predominantly produced in the dodecahydrate form (AlK(SO4)2 * 12H2O). ). Potassium alum is formed by large. Alum refers to a collection of chemical compounds that are hydrated sulfate salts of aluminum and usually one other metal. Common forms of alum include hydrated potassium aluminum sulfate, ammonium aluminum sulfate, and sodium aluminum sulfate. The different compounds have different functions.
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Allow the alum residue to sit on your skin for 15 to 20 seconds. This allows the crystals to tighten the pores and cleanse the skin. After 15 to 20 seconds, rinse the residue off with cold water. 8783521 Abstract This study reports the bactericidal activity of potash alum when added to water, against various epidemic causing enteric pathogens like Vibrio cholerae 01, V. cholerae 0139 and Shigella dysenteriae 1 by lowering the pH of water (from 6.0 to 4.0). Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl(SO 4) 2.It is commonly encountered as the dodecahydrate, KAl(SO 4) 2 ·12H 2 O. It crystallizes in an octahedral structure in neutral solution and cubic structure in an alkali solution with space group P a −3 and lattice parameter of 12.. Potassium alum or potash alum is the potassium double sulfate of aluminium. Its chemical formula is KAl(SO 4) 2 and it is commonly found in its dodecahydrate form as KAl(SO 4) 2 ·12(H 2 O). It is commonly used in water purification, leather tanning, fireproof textiles, and baking powder.It also has cosmetic uses as a deodorant and as an aftershave treatment. Its mineral form is known as.
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Potassium aluminium sulfate, or potash alum, or potassium alum, is a chemical compound. Its chemical formula is KAl(SO 4) 2. It contains potassium, aluminium, and sulfate ions. Crystals of it are transparent, and it is white when made into a powder. Properties. It is a acidic solid at room temperature. It does not have a colour; its crystals. 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). It is used in leather tanning. [1] Production and properties Chrome alum
Other language: Alun de potassium INCI name: POTASSIUM ALUM EINECS/ELINCS number: 233-141-3 / - Classification: Aluminum salt Bio-compatible (COSMOS Reference) Its functions (INCI) Astringent : Helps tighten skin pores This ingredient is present in 0.27% of cosmetics. Stone of alum (85.5%) Deodorant ball (9.6%) Deodorant spray (4.12%) Un alun est un type de composé chimique, en général un sel double de sulfate d' aluminium hydraté, de formule générale X Al (SO 4) 2 ·12H 2 O, où X est un cation monovalent tel que le potassium ou l' ammonium 1.
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L' Alun de Potassium (12H2O) aussi appelé Alun de Potasse ou Kalinite, est un solide cristallin, blanc et inodore . Principales utilisations Agent textile : il est utilisé comme agent mordant. Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl (SO4)2. It is commonly encountered as the dodecahydrate, KAl (SO4)2·12H2O.
