Potassium alum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Potassium alum" in English language version.

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about.com

chemistry.about.com

  • Helmenstine, Anne Marie. "What is Alum?". About.com. Archived from the original on 14 April 2013. Retrieved 19 April 2013.

archive.org

  • Martin Heinrich Klaproth (1801), Analytical Essays Towards Promoting the Chemical Knowledge of Mineral Substances. T. Cadell, Jr. & W. Davies, London. His finding of potassium in leucite appears on pp. 353–354.: "On the contrary, I was surprised in an unexpected manner, by discovering in it another constituent part, consisting of a substance, the existence of which, certainly, no one person would have conjectured within the limits of the mineral kingdom .... This constituent part of leucite ... is no other than pot-ash, which, hitherto, has been thought exclusively to belong to the vegetable kingdom, and has, on this account, been called vegetable alkali. ... This discovery, which I think of great importance, cannot fail to occasion considerable changes in the systems of natural history ...". The discovery of potassium in lepidolite is mentioned on p. 472.
  • Hassall, Arthur Hill (1857). Adulterations detected; or, Plain instructions for the discovery of frauds in food and medicine. Longman, Brown, Green, Longmans & Roberts. p. 43.
  • Berger, G. (1840). The Mechanic and Chemist. p. 91.

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  • US patent 5399364, Francis Verdan, "Cosmetic assembly defined by encased stick of alum", issued 1995-05-21  [1]

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  • US patent 5399364, Francis Verdan, "Cosmetic assembly defined by encased stick of alum", issued 1995-05-21  [1]

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webmineral.com

  • "Alum-(K) Mineral Data". Mineralogy Database. Archived from the original on 24 April 2013. Retrieved 19 April 2013.
  • "Kalinite Mineral Data". MinDat. Archived from the original on 24 April 2013. Retrieved 19 April 2013.

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