4-542: (Redirected from Picenes ) Picene may refer to: picene , a hydrocarbon Picene, a modern ethnonym for a resident of ancient Picenum in Italy, also found in the plural as Picentes or Picentini; thus: either of two extinct languages speculated to have possibly been spoken by Picenes: North Picene language South Picene language See also [ edit ] Piceno (disambiguation) Topics referred to by
8-542: A mixture of naphthalene and 1,2-dibromoethane , or by distilling a-dinaphthostilbene. It crystallizes in large colorless plates which possess a blue fluorescence . It is soluble in concentrated sulfuric acid with a green color. Chromic acid in glacial acetic acid solution oxidizes it to picene- quinone , picene-quinone carboxylic acid , and finally to phthalic acid . When intercalated with potassium or rubidium and cooled to below 18 K, picene has been reported to exhibit superconductive properties. However, due to
12-421: Is different from Wikidata All article disambiguation pages All disambiguation pages Picene Picene is a hydrocarbon found in the pitchy residue obtained in the distillation of peat tar and of petroleum . This is distilled to dryness and the distillate repeatedly recrystallized from cymene . It may be synthetically prepared by the action of anhydrous aluminium chloride on
16-426: The same term [REDACTED] This disambiguation page lists articles associated with the title Picene . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Picene_(disambiguation)&oldid=1094765040 " Category : Disambiguation pages Hidden categories: Short description
#818181