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  • noun dated Old name for iron(II) sulfate (FeSO4).


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  • "Alum and green vitriol (iron sulfate) both have sweetish and astringent taste, and they had overlapping uses. Therefore, through the Middle Ages, alchemists and other writers do not seem to have discriminated the two salts accurately from each other. In the writings of the alchemists we find the words misy, sory, and chalcanthum applied to either compound; and the name atramentum sutorium, which one might expect to belong exclusively to green vitriol, applied indifferently to both.


    August 28, 2019

  • I thought it might be jealousy (green-eyed monster) with a hint of cruelty added.

    August 28, 2019

  • Could be useful for my new Soylent Green formulation.

    September 1, 2019