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Hermann Johann Philipp Sprengel
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Hermann Johann Philipp Sprengel

English chemist

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contribution to explosives development

  • coal miner loading a drill hole with an explosive
    In explosive: Sprengel explosives

    In England in 1871, Hermann Sprengel patented combinations of oxidizing agents such as chlorates, nitrates, and nitric acid with combustible substances such as nitronaphthalene, benzene, and nitrobenzene. These differed from previous explosives in that one of the ingredients was liquid and the mixture was made just prior to use.…

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