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    synthesized was penta-2,3-dienedioic acid, which was prepared by Burton and Pechmann in 1887. However, the structure was only correctly identified in 1954....
    40 KB (4,305 words) - 04:10, 21 August 2024
  • and the importance of antiseptic procedures in medicine. 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in the world. 1899:...
    238 KB (24,495 words) - 20:42, 3 November 2024
  • chemists also preceded Schlotterbeck in discovery of the reaction, Hans von Pechmann in 1895 and Viktor Meyer in 1905. The reaction has since been extended...
    19 KB (1,953 words) - 21:48, 30 November 2023