See also:hydrocarbon found in the pitchy
See also:residue obtained in the
See also:distillation of
See also:tar and of petroleum . This is distilled to dryness and the distillate repeatedly recrystallized from cymene . It may be synthetically prepared by the
See also:action of anhydrous aluminium chloride on a mixture of
See also:naphthalene and
See also:ethylene dibromide (R . Lespieau, Bull.
See also:soc. shim., 1891, (3), 6, p . 238), or by distilling a-dinaphthostilbene (T . Hirn, Ber., 1899, 32, p . 3341) . It crystallizes in large colourless plates which possess a blue
See also:fluorescence . It is soluble in concentrated sulphuric acid with a
See also:colour . Chromic acid in glacial acetic acid solution oxidizes it to
See also:picene-quinone, picene-quinone carboxylic acid, and finally to
See also:phthalic acid . When heated with hydriodic acid and phosphorus it forms hydrides of composition C22Ha.: and C22Ha6 (see E .
See also:Bamberger and F.D .
See also:Ann., 1895, 284, p . 61) .
PRINCE OCTAVIO PICCOLOMINI (1599-1656)
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