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Topic: Litmus paper


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 AllRefer.com - litmus (Chemistry) - Encyclopedia   (Site not responding. Last check: 2007-09-17)
litmus, organic dye usually used in the laboratory as an indicator of acidity or alkalinity (see acids and bases).
Commonly, paper is treated with the coloring matter to form so-called litmus paper.
Litmus is extracted, chiefly in the Netherlands, from certain lichens (see archil), which are mashed, treated with potassium carbonate and ammonia, and allowed to ferment.
reference.allrefer.com /encyclopedia/L/litmus.html   (204 words)

  
 Litmus test -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-09-17)
Litmus is a (Binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent) water- (additional info and facts about soluble) soluble (A usually soluble substance for staining or coloring e.g.
A major issue in US presidential elections occurs when vacancies for the (additional info and facts about US Supreme Court) US Supreme Court are expected during the upcoming 4 years.
Discussion is sometimes spiced up if one or both sides objects to letting the label (A test that relies on a single indicator) litmus test be used as a metaphor for their criteria.
www.absoluteastronomy.com /encyclopedia/l/li/litmus_test.htm   (291 words)

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