alum


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alum

 [al´um]
a local astringent and styptic, prepared as an ammonium (ammonium a.) or potassium (potassium a.) compound; also used as an adjuvant in adsorbed vaccines and toxoids.

al·um

(al'ŭm),
A double sulfate of aluminum and of an alkaline earth element or ammonium; chemically, an alum is any one of the markedly astringent double salts formed by a combination of a sulfate of aluminum, iron, manganese, chromium, or gallium with a sulfate of lithium, sodium, potassium, ammonium, cesium, or rubidium; used locally as a styptic.
[L. alumen]

alum

/al·um/ (al´um)
1. a local astringent and styptic, prepared as an ammonium (ammonium a.) or potassium (potassium a.) compound; also used as an adjuvant in adsorbed vaccines and toxoids.
2. any member of a class of double sulfates formed on this type.

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)2·12H2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics.

alum

[al′əm]
Etymology: L, alumen
a topical astringent, used primarily in lotions and douches.

al·um

(al'ŭm)
Agent used locally as a styptic.
[L. alumen]

alum

any of several substances, including potassium alum, aluminum alum, ammonium alum, potash alum and aluminum potassium sulfate, with strong astringent properties. May be used as a styptic or hemostatic and as a topical antimycotic agent. It also may be given by mouth to induce vomiting. Large doses may cause gastrointestinal disturbances.
References in periodicals archive ?
Earl Lewis, UO Alum and president of Mellon Foundation
These four coagulants are used to control the alkalinity and pH of water, alum, ferric sulfate, ferric chloride, ferrous sulfate.
Lime and alum were used separately as coagulant to treat the slaughterhouse effluent.
The researchers also showed that the lecithin nanoparticles were able to help induce a reasonable antibody response after only one shot, whereas it took at least two shots for the alum adjuvant to work.
It also an excellent opportunity to request input from the alums directly.
Rescuer Phil Haigh said: "We went down Alum Pot and quite quickly located them in a stream-way in Long Lower Churn.
Other supporters of the program are Newmark Knight Frank principal and CEO Barry Gosin and SL Green's president and CEO Marc Holliday, a Lehigh alum.
With caustic costs being what they are, this more than overcame the 'apparent' savings in using alum.
We tried all the traditional methods - telling our friends, asking everybody we knew, entering contests,'' said Peggy Little, a Texas alum who is flying to Los Angeles from Austin for the game.
Perhaps Space Needle owner Jeff Wright, a UW alum, was most down about that sight.
safety goggles * * 2 spoons (teaspoon size) * alum (10 ml, or 4 tsp) * 6 disposable plastic bowls * masking tape * marker * measuring cup * warm tap water (400 ml, or 1.
Alum (aluminum sulfate) and aluminum chloride are used in wastewater treatment facilities as flocculating agents with the secondary benefit of removing P from solution.