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  • Chemistry
  • Chromatography technique developed substantially as a result of the work of Archer John Porter Martin and Richard Laurence Millington Synge during the 1940s and 1950s, for which they won the 1952 Nobel Prize in Chemistry. (wikipedia.org)
  • water
  • A good way to purify tryptamine without having to resort to distillation under strong vacuum is to dissolve the crude tryptamine hydrochloride in water, adjust the pH to between 7.6 and 8.2 and extract the solution with chloroform. (erowid.org)
  • After cooling, the resultant precipitate was filtered and to the filtrate was added a suitable amount of water. (erowid.org)
  • The first proteins to be purified are water-soluble proteins. (wikipedia.org)