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8. Security - check for the yellow padlock on the Ammonium Alum site before you buy, and the s after http:/ /i.e. https:// = a secure site

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10. Payment - ready to pay for your Ammonium Alum, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.

Ammonium alum (NH4Al(SO4)2·12H2O) or ammonium aluminum sulfate dodecahydrate is a white crystalline double sulfate of aluminium, used in water purification, in vegetable glues, in porcelain cements, in natural deodorants and in tanning, dyeing and in fireproofing textiles.http://www.questia.com/library/encyclopedia/alum.jsp

As a crystal deodorant (pierre d'alun), it has a bacteriostatic action, meaning that it inhibits bacterial growth (but without killing the bacteria).http://www.thefword.org.uk/reviews/2004/03/natural_deodora Since it does not kill the bacteria, it has somewhat shorter effectiveness when compared to other commercial antiperspirant or deodorants. Unlike the molecules of aluminum chloride used in antiperspirants that are designed to lodge themselves in sweat glands, ammonium alum molecules are much too large to be adsorbed by the skin. The pH of the solution resulting from the topical application of ammonium alum with perspiration is typically in the slightly acid range, from 4 to 5.http://www.jtbaker.com/msds/englishhtml/a2760.htm It is a popular deodorant because of its high availability and low cost. A 120 gram stone lasts for at least a year of daily usage - much longer than other deodorants and antiperspirants. It is also hypoallergenic and non-staining. Potassium alum is also used for this purpose.

References

Ammonium alum (NH4Al(SO4)2·12H2O) or ammonium aluminum sulfate dodecahydrate is a white crystalline double sulfate of aluminium, used in water purification, in vegetable glues, in porcelain cements, in natural deodorants and in tanning, dyeing and in fireproofing textiles.http://www.questia.com/library/encyclopedia/alum.jsp

As a crystal deodorant (pierre d'alun), it has a bacteriostatic action, meaning that it inhibits bacterial growth (but without killing the bacteria).http://www.thefword.org.uk/reviews/2004/03/natural_deodora Since it does not kill the bacteria, it has somewhat shorter effectiveness when compared to other commercial antiperspirant or deodorants. Unlike the molecules of aluminum chloride used in antiperspirants that are designed to lodge themselves in sweat glands, ammonium alum molecules are much too large to be adsorbed by the skin. The pH of the solution resulting from the topical application of ammonium alum with perspiration is typically in the slightly acid range, from 4 to 5.http://www.jtbaker.com/msds/englishhtml/a2760.htm It is a popular deodorant because of its high availability and low cost. A 120 gram stone lasts for at least a year of daily usage - much longer than other deodorants and antiperspirants. It is also hypoallergenic and non-staining. Potassium alum is also used for this purpose.

References

Ammonium alum - Wikipedia, the free encyclopedia
Ammonium alum (NH 4 Al(SO 4) 2 ·12H 2 O) or ammonium aluminium sulfate dodecahydrate is a white crystalline double sulfate of aluminium, used in water purification, in vegetable ...

ammonium alum - Hutchinson encyclopedia article about ammonium alum
Any double sulphate of a monovalent metal or radical (such as sodium, potassium, or ammonium) and a trivalent metal (such as aluminium, chromium, or iron).

ammonium alum - definition of ammonium alum by the Free Online ...
Thesaurus Legend: Synonyms Related Words Antonyms. Noun: 1. ammonium alum - a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

ammonium alum definition of ammonium alum in the Free Online ...
alum (ăl`əm), any one of a series of isomorphous double salts that are hydrated sulfates sulfate, chemical compound containing the sulfate (SO 4) radical

Alum - Wikipedia, the free encyclopedia
It is now allowed to stand for some time, decanted from any sediment, and finally mixed with the calculated quantity of potassium sulfa te (or if ammonium alum is required, with ...

Ammonium Alum
Ammonium Alum 5/2/2005 name Sally status student grade 4-5 location AE Question - Dear Scientist, I have been given a question to answer.

ammonium bicarbonate - definition of ammonium bicarbonate by the Free ...
ammonium bicarbonate. n. A white crystalline salt, bicarbonate of ammonium, NH 4 HCO 3 ... ammonium alum ammonium bicarbonate ammonium carbamate ammonium carbonate ammonium chloride

ammonium bicarbonate - What does ambic stand for? Acronyms and ...
Acronym Definition; ambic: Ammonium Bicarbonate ... ammonium alum ammonium alum ammonium alum ammonium alum ammonium bicarbonate

Ammonium ferric alum, CAS Number: 10138-04-2
Ammonium ferric alum - chemical information, properties, structures, articles, patents and more chemical data.

Definition: ferric ammonium sulfate from Online Medical Dictionary
The Online Medical Dictionary is a searchable dictionary of definitions from medicine, science and technology.