Alum wikipedia - Search
Open links in new tab
  1. Alum
    AlumType of chemical compound
    Chemical structureUsesFunctionMolar massSolubilityCommon namePropertiespH
     
  2. Wikipedia
    https://en.wikipedia.org › wiki › Alum

    Alum - Wikipedia

    • An alum 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. By itself, "alum" often refers to potassium alum, with the formula KAl(SO 4) 2·12 H 2O. Other alums are named after the monovalent ion, such as sodiu… See more

    History

    The western desert of Egypt was a major source of alum substitutes in antiquity. These evaporites were mainly FeAl 2(SO 4) 4·22 H 2O, MgAl 2(SO 4) 4·22 H 2O, NaAl(SO 4) 2·6 H 2O, MgSO 4·7H 2O and Al 2(SO 4) … See more

    Production

    Some alums occur as minerals, the most important being alunite.
    The most important alums – potassium, sodium, and ammonium – are produced industrially. Typical recipes involve combining … See more

    What Is Alum and How Is It Used? - ThoughtCo
    Alum is a type of chemical compound that is commonly used in everyday and industrial applications. You'll find alum in everything from baking powder and toothpaste to cosmetics and some fire …
    ThoughtCo · https://www.thoughtco.com/what-i…
    Wikipedia text under CC-BY-SA license
    Feedback
    Table of Contents
    History
    Production
     

  1. Bokep

    https://viralbokep.com/viral+bokep+terbaru+2021&FORM=R5FD6

    Aug 11, 2021 · Bokep Indo Skandal Baru 2021 Lagi Viral - Nonton Bokep hanya Itubokep.shop Bokep Indo Skandal Baru 2021 Lagi Viral, Situs nonton film bokep terbaru dan terlengkap 2020 Bokep ABG Indonesia Bokep Viral 2020, Nonton Video Bokep, Film Bokep, Video Bokep Terbaru, Video Bokep Indo, Video Bokep Barat, Video Bokep Jepang, Video Bokep, Streaming Video …

    Kizdar net | Kizdar net | Кыздар Нет

  2. Wikipedia
    https://simple.wikipedia.org › wiki › Alum

    Alum - Simple English Wikipedia, the free encyclopedia

     
  3. a·lum
    noun
    chemistry
    1. a colorless astringent compound that is a hydrated double sulfate of aluminum and potassium, used in solution medicinally and in dyeing and tanning.
    More about alum
    Feedback
  4. Wikipedia
    https://en.wikipedia.org › wiki › Aluminium

    Aluminium - Wikipedia

    Aluminium (or aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity …

  5. ThoughtCo
    https://www.thoughtco.com

    What Is Alum and How Is It Used? - ThoughtCo

  6. Britannica
    https://www.britannica.com › science › alum

    Alum | Definition, Uses, Formula, & Facts | Britannica

  7. Wikipedia
    https://en.wikipedia.org › wiki › History_of_…

    History of aluminium - Wikipedia

    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 …

  8. People also ask
    What does 'alum' stand for?
    Alum is a hydrated double sulfate of aluminum and potassium, with the chemical formula AlK(SO4)2 .12H2 O. It is a colorless astringent compound used in solution medicinally and in dyeing and tanning.

    Alum | Encyclopedia.com

    encyclopedia.com
    When was alum first used?
    The first written record of alum was in the 5th century BCE by Greek historian Herodotus. The ancients used it as a dyeing mordant, in medicine, in chemical milling, and as a fire-resistant coating for wood to protect fortresses from enemy arson. Aluminium metal was unknown.

    History of aluminium - Wikipedia

    en.wikipedia.org
    What is another name for Alum?
    Alum, also known as chromium aluminium sulphate, has a molar mass of 283.22 g/mol. It has a metallic water smell and mostly exists in a purple crystal form.

    Alum - Properties, Uses of Alum, Types, Water Treatment, Fitkari - BYJU'S

    byjus.com
    What is alum composed of?
    Alum is a double salt, composed of sulfuric acid, alumina, and potash. Knowing that alum cannot be obtained in crystals without the addition of potash, he began to suspect that this alkali constituted an essential ingredient in the salt, and in 1797 he published a dissertation demonstrating that alum is a double salt.

    Alum - chemeurope.com

    chemeurope.com
    Where did alum come from?
    Alum was the most common mordant (substance used to set dyes on fabrics) used by the dye industry, especially in Islamic countries, during the middle ages. It was the main export of the Chad region, from where it was transported to the markets of Egypt and Morocco, and then to Europe. Less significant sources were found in Egypt and Yemen.

    Alum - Wikipedia

    en.wikipedia.org
    Who discovered common alum?
    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, [e] Vauquelin demonstrated that common alum is a double salt, composed of sulfuric acid, alumina, and potash.

    Alum - Wikipedia

    en.wikipedia.org
    Feedback
  9. Encyclopedia.com
    https://www.encyclopedia.com › ... › alum

    Alum - Encyclopedia.com

  10. Wiktionary
    https://en.wiktionary.org › wiki › alum

    alum - Wiktionary, the free dictionary

  11. Tees Valley Wildlife Trust
    https://www.teeswildlife.org › ... › alum › al…

    Alum History - Tees Valley Wildlife Trust

    Alum was an essential part of the Chinese alchemist’s laboratory. For some alchemists alum was a magical ingredient that could be used in the brewing of an elixir, or the transformation of metals. For others it was a dangerous …

  12. BYJU'S
    https://byjus.com › jee › alum

    Alum - Properties, Uses of Alum, Types, Water …

    Alum is an inorganic chemical compound that is generally made up of water molecules, aluminium or other metals and sulphates. Alum is basically a hydrated double sulphate salt of aluminium. The general chemical formula for alum is …

  13. WikiDoc
    https://www.wikidoc.org › index.php › Alum

    Alum - wikidoc

    Alum, (Template:IPAEng) refers to a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated aluminum potassium sulfate with the formula KAl (SO 4) 2. 12H 2 O. The class of …

  14. wikimedia.org
    https://commons.wikimedia.org › wiki › Category:Alum

    Category : Alum - Wikimedia

  15. Wikipedia
    https://en.wikipedia.org › wiki › Potassium_alum

    Potassium alum - Wikipedia

  16. wikipedia.org
    https://oc.wikipedia.org › wiki › Alum

    Alum — Wikipèdia

  17. wikipedia.org
    https://ro.wikipedia.org › wiki › AlumTranslate this result

    Alum - Wikipedia

  18. Wikipedia
    https://en.wikipedia.org › wiki › Alum_(disambiguation)

    Alum (disambiguation) - Wikipedia

  19. Dictionary
    https://www.dictionary.com › browse › Alum.

    ALUM Definition & Meaning | Dictionary.com

  20. wikipedia.org
    https://sr.wikipedia.org › wiki › Alum

    Alum — Википедија

  21. chemeurope.com
    https://www.chemeurope.com › en › encyclopedia › Alum.html

    Alum - chemeurope.com

  22. WIKI 2
    https://wiki2.org › en › Alums

    Alum — Wikipedia Republished // WIKI 2