Potassium alum - Wikipedia
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(SO4)2. It is commonly enc… See more
HistoryHistorically, potassium alum was used extensively in the wool industry from Classical antiquity, during the
Potassium … See more
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- Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.Melting point 92 to 95 °C (198 to 203 °F; 365 to 368 K)en.wikipedia.org/wiki/Potassium_alumDensity: The density of potassium alum is approximately 1.75 g/cm³. Melting Point: Potassium alum melts at around 92-95°C (197-203°F).www.chemistrypage.in/potassium-alum/Melting point 92-93 °Cwww.chemeurope.com/en/encyclopedia/Potassium…Molar Mass 258.192 g/mol (anhydrous) 474.37 g/mol (dodecahydrate) Density 1.725 g/cm 3 Melting Point 92 to 95 °C (198 to 203 °F; 365 to 368 K)byjus.com/jee/potash-alum/
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Potassium Alum | AlKO8S2 | CID 24856 - PubChem
Jun 16, 2009 · Potassium aluminium sulfate is a metal sulfate composed of potassium, aluminium and sulfate ions in the ration 1:1:2. It has a role as a flame retardant, a mordant and an astringent. It is a metal sulfate, an aluminium salt …
Potassium Alum: Properties, Preparation, …
Melting Point: Potassium alum melts at around 92-95°C (197-203°F). Boiling Point: Upon heating, potassium alum undergoes dehydration and decomposition without boiling. Stability: Potassium alum is stable under normal conditions but …
Potash Alum - Formula, Properties, Preparation, Uses - BYJU'S
See more on byjus.comPotash alum is usually extracted from a mineral called alunite. However, potassium alum is also industrially produced today. One of the most common methods of preparation includes adding potassium sulfate in aluminium sulfate solution, which is in concentrated form. If the sulfate contains a higher amount of iron instead of …Potassium alum KAl(SO4)2•12H2O c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic. Point Group: 2/m 3. Rarely as tiny octahedra, which may be strung along fibers; …
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Potassium alum - chemeurope.com
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). …
Potassium Alum | 7784-24-9 - ChemicalBook
Jan 27, 2025 · Potassium Alum (CAS 7784-24-9) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, …
Chemistry 103: Synthesis of Alum - Louisiana Tech University
The lab procedures involved in this lab include filtering, purification, crystallization, and melting point determination. Put on your CHEMICAL SPLASH-PROOF SAFETY GOGGLES! Part 1. …
Potassium Aluminum Sulfate - Encyclopedia.com
The powder form, made up of crystals, has a melting point of 198.5 ° F (92.5 ° C) and can be readily dissolved in water. Additionally, this material has a property known as astringency …
Potassium Alum - QS Study
Melting point: 92.5 °C (198.5 °F) Boiling point: Decomposes before boiling; Density: 1.725 g/cm3; Hardness: 2.5 – 3 on the Mohs scale; Crystal system: Trigonal; Application. Potassium alum is often used in the production of …
Alum: Properties, Types, Amazing Applications
Aug 9, 2023 · Alum is typically found in the crystalline form, which is white and transparent. The boiling point of the substance is approximately 200°C. The melting point of the substance is recorded to be 92.5°C. The density of the …
Potassium Alum – a Chemical Compound - QS Study
Potassium alum, also known as potassium aluminium sulfate, is a chemical substance that is the double sulfate of potassium and aluminum, having the formula KAl(SO 4) 2. It is a chemical …
Metal Melting Temperatures of Common Engineering Materials
Melting Temperature of Metals Table Chart. The melting point (or, rarely, liquefaction point) of metals is the temperature at which a substance changes state from solid to liquid at …
Potash Alum: Preparation, Properties, Uses & Concept Video
Jul 31, 2023 · The chemical formula of potash alum is K 2 SO 4.Al 2 (SO 4) 3.24H 2 O, and it is colloquially known as ‘fitkari.’ Potash alum is a notable member of the alum family, a group of …
Potassium - Element information, properties and uses | Periodic …
Melting point The temperature at which the solid–liquid phase change occurs. Boiling point The temperature at which the liquid–gas phase change occurs. Sublimation The transition of a …
Potash Alum: Formula, Structure, Properties, Preparation and Uses
Jan 4, 2024 · The chemical formula of potash alum is K2SO4.Al2(SO4)3.24H2O. The molecular weight of potash alum or potassium aluminum sulfate is 948 grams per mole. The equivalent …
Determine if stuff is Potassium Alum - Chemistry Stack Exchange
Sep 6, 2020 · The alums melt at relatively low temperatures, because they already have a lot of water in the crystal structure, so ammonium alum and potassium alum can not be …
Potassium Alum - an overview | ScienceDirect Topics
The presence of cryolite in the Hall–Héroult process enables electrolysis to proceed at <1000 °C (Abramson et al., 1989), lower than alumina's melting point, which is around 2000 °C. A …
Potassium Alum - an overview | ScienceDirect Topics
Aluminum (Al), CAS No. 7429-90-5, atomic No. 13, atomic mass 26.98, density 2.7 g/cm 3, and melting point 660.4°C, is a light, ductile metal. Exposure to air or water creates a thin film of …
Growth, structure, thermal, electrical and optical properties of ...
Aug 1, 2019 · Potash alum, KAl (SO 4) 2 ·12H 2 O, belongs to the type of α -alums and its lattice constant a = 12.157 Å [2]. The water molecules are eliminated from KAl (SO 4) 2 ·12H 2 O …