alum stone define

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  • Using Alum as a Flocculent in Pools | InTheSwim Pool Blog

     · Aluminum Sulfate, commonly called "Alum", has been used for thousands of years as a water clarifier.Ancient Egyptian hieroglyphics describe the use of "aluminum earth" and first century Greek and Chinese documents tell of mining and use of alum for clearing water. By the 16th century, Alum was in widespread use across England, for treating municipal water supplies.

  • ALUM STONE | Definition of ALUM STONE by Oxford Dictionary ...

    Definition of alum stone in English: alum stone. noun historical . A rock or mineral from which alum is obtained, especially alunite. Origin. Mid 17th century; earliest use found in Hartlib (d. ?1670). Word of the day. megohm / ˈmɛɡəʊm / noun. See definitions & …

  • Jana Kramer Is Still a ''Single Mom'' After Backlash: I Know ...

     · Mother knows best! Jana Kramer is sticking to her words after she received backlash for calling herself a "single mom.". Everything Jana Kramer Has Said About Coparenting 2 Kids With Mike Caussin "I read a pretty nasty site that people were hating on me because I said I was a single mom so apparently I''m not allowed to say that.

  • What does alum stone mean?

    Definition of alum stone in the Definitions dictionary. Meaning of alum stone. Information and translations of alum stone in the most comprehensive dictionary definitions resource on the web.

  • Aluminum Oxide vs Silicon Carbide Sandpaper | Uneeda

     · Silicon carbide is a sharper and harder grain compared to aluminum oxide, but silicon carbide is less durable because it is brittle and has a more narrow shape that wears down at an increased rate. Due to its razor-sharp grains, silicon carbide will have no problem easily cutting glass, plastic, and metal under light pressure.

  • Is Crystal Deodorant Safer Than Antiperspirant, and How ...

     · Crystal deodorant is available as a stone, roll-on, or spray. Sometimes you can find it as a gel or powder. If you use a stone, it may come on its own or attached to a plastic base.

  • Alum | chemical compound | Britannica

    Alum, any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A whole series of hydrated double salts results from the hydration of the sulfate of a singly charged cation (e.g., K +) and the sulfate of any one of a number of triply charged cations (e.g., Al 3+).Aluminum sulfate can thus form alums with sulfates of ...

  • What is alum, and will it make someone''s mouth shrink ...

     · From my dictionary, which was bought when Looney Tunes were new: alum – a double sulfate of of ammonium or a univalent metal (such as sodium or potassium) and a trivalent metal (such as aluminum, iron or chromium): it is used as an astringent, as an emetic and in the manufacture of baking powders, dyes and paper; the commonest form is potash ...

  • ALUM STONE | Definition of ALUM STONE by Oxford Dictionary ...

    What is the definition of ALUM STONE? What is the meaning of ALUM STONE? How do you use ALUM STONE in a sentence? What are synonyms for ALUM STONE?

  • Alum-stone Meaning | Best 1 Definitions of Alum-stone

    What does alum-stone mean? (mineralogy) A subsulphate of alumina and potash; alunite. (noun)

  • Potassium alum

    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 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 12.18 Å.

  • How to Use an Alum Block: 9 Steps (with Pictures)

     · Next, run the alum stone under cold water and rub it over your face where you shaved. After you''ve rubbed the block on, rinse your face with cold water and pat it dry with a towel. Finally, allow your alum block to air dry completely so it''ll be ready for the next use. To learn how to use an alum block to heal small cuts from shaving, read on!

  • What Is Alum and How Is It Used?

     · Usually, when you hear about alum it is in reference to potassium alum, which is the hydrated form of potassium aluminum sulfate and has the chemical formula KAl(SO 4) 2 ·12H 2 O. However, any of the compounds with the empirical formula AB(SO 4) 2 ·12H 2 O are considered to be an alum. Sometimes alum is seen in its crystalline form, although it is most often sold as a powder.

  • Gemstones & Healing Stones Meanings

    The Power of Gemstones. At Energy Muse, our gemstones and crystals have healing properties that help to balance the body, mind, and spirit. Healing crystals and gemstones have been used for thousands of years by ancient civilizations; the Egyptians, Aztecs, and others incorporated healing stones into jewelry, cosmetics, decorative statues, amulets, and much more--a testament to the powerful ...

  • Ålum stone | Article about Ålum stone by The Free Dictionary

    a mineral of the complex sulfate group, with extra (OH)-anions. The chemical composition KA1 3 [SO 4] 2 (OH) 6 sometimes includes admixtures of Na + and Fe 3+.Alunite crystallizes very rarely in a trigonal system. The mineral is mostly found in the form of fine-grained …

  • The Alum Water Purification Process

    The Alum Water Purification Process. Alum is a double sulphate of potash and aluminium, and in this case breaks into potassium sulphate which remains in solution, and a basic aluminic sulphate. This basic sulphate of aluminium, the composition of which is undetermined, precipitates as a more or less gelatinous and flocculent mass, and carries ...

  • alumstone

    Definition from Wiktionary, the free dictionary. Jump to navigation Jump to search. See also: alum stone

  • McCormick® Alum | McCormick

     · McCormick® Alum. Alum (potassium aluminum sulfate) is a food additive that is ideal for pickling and canning. It helps create crisp pickled fruits or vegetables. Alum (potassium aluminum sulfate) is a food additive that is ideal for pickling and canning. It helps create crisp pickled fruits or vegetables. where to buy. Where to buy. bottle_hover.

  • Tawas | Potassium Alum Herbal Medicine, Health Benefits ...

    Alum, potassium alum, soda alum, ammonium alum and aluminum alum and Alum. Tawas is a transparent salt crystal that is soluble in water and widely used as a deodorant and astringent. This crystal has been used in traditional medicine having a number of medicinal uses and health benefits including treatment of hemorhoids, sores and others.

  • Crystal Meanings & Crystal Healing Properties | Feel Crystals

    Crystals have been used for thousands of years as tokens and talismans for their crystal meanings and healing properties believed to help support and enhance your personal journey through life. Each crystal is believed to hold a different crystal healing property or meaning. As crystals are naturally born from the ground, they each hold their unique vibration as a living piece of earth''s ...

  • Alum stone

    Alum stone synonyms, Alum stone pronunciation, Alum stone translation, English dictionary definition of Alum stone. 1. A subsulphate of alumina and potash; alunite.

  • Alum | definition of alum by Medical dictionary

    alum. (ăl′əm) n. Any of various double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially hydrous aluminum potassium sulfate, AlK (SO4) 2·12H2 O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics ...

  • What does alum stone mean?

    Definition of alum stone in the Definitions dictionary. Meaning of alum stone. What does alum stone mean? Information and translations of alum stone in the most comprehensive dictionary definitions resource on the web.

  • LEOs Zusatzinformationen: alumstone | alum stone

    Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Substantive können mit einem Artikel (Geschlechtswort) und i. A. im Singular (Einzahl) und Plural (Mehrzahl) auftreten.

  • Are Natural Alum Crystal Deodorants Safe? | The People''s ...

     · The online Merriam-Webster dictionary defines alum as: "a potassium aluminum sulfate KAl(SO4)2·12H2O or an ammonium aluminum sulfate NH4Al(SO4)2·12H2O used especially as an emetic [causes vomiting] and as an astringent and styptic [to prevent bleeding]." Alum has been used for a very long time in reservoirs to clarify water.

  • Alum

    Alum. For alum meaning "graduate," see Alumnus. Alum, ( IPA: /ˈæləm/) 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 compounds known as alums have the related stoichiometry, AB (SO 4) 2. 12H 2 O.

  • 10 Top Uses & Benefits of Alum | Fitkari For Health, Hair ...

     · But please remember using alum in barber shops is one of the main reasons for getting a skin infection as one alum stone is used repeatedly for everyone. I would strongly suggest not using alum stone in barber shops at all. 5. Alum Uses For Water Purification: Alum is an amazing and cheap way to purify water and soften hard water.

  • Alum: Uses, Side Effects, Interactions, Pictures, Warnings ...

    In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345. Precautions. Consult your pharmacist or physician. Interactions ...

  • What Is Alum Used For

     · This is where alum comes in – aluminum sulfate can be used to lower soil pH, thus making the soil suitable for acid-loving plants.. If your acidic plants aren''t thriving, take a soil test before you attempt to adjust the pH level. Some Cooperative Extension offices perform soil tests, or you can purchase an inexpensive tester at a garden center. If you determine your soil is too alkaline ...

  • Alum vs Borax

    As nouns the difference between alum and borax is that alum is an astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (k 2 so 4 al 2 (so 4) 3 24h 2 o) or alum can be (us) a graduate of a university or other institution while borax is borax.

  • Potash Alum

    Potash alum is a chemical compound widely used as the potassium sulfate dodecahydrate. It is double salt that is used commonly in medicine and the water treatment process. Potash alum is also known as potassium alum or potassium aluminium sulfate. The chemical formula of potash alum is K 2 SO 4 .Al 2 (SO 4) 3 .24H 2 O.

  • Extended follow-up of children in a phase2b trial of the ...

     · The GMZ2/alum candidate malaria vaccine had an efficacy of 14% (95% confidence interval [CI]: 3.6%, 23%) against clinical malaria over 6 months of follow-up in a phase2b multicentre trial in children 1–5 years of age. Here we report the extended follow up of safety and efficacy over 2 years.

  • Alum definition by Babylon''s free dictionary

    Alum is both a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated potassium aluminium sulfate (potassium alum) with the formula KAl 2 ·12. More widely, alums are double sulfate salts, with the general formula, where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminium or chromium(III).

  • alum stone

    alum stone (plural alum stones) A subsulphate of alumina and potash; alunite. Part or all of this entry has been imported from the 1913 edition of Webster''s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.

  • Alum Stone (Piedra Alumbre)

    Alum Stone (Piedra Alumbre) is a hard crystalline stone that ha long been believed to possess powerful healing properties. It is used both medicinally and magically in many folk traditions, including Latin American, Espiritismo, Hoodoo and other African-derived religious and spiritual traditions.

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