Period 6 element heavy metal, lead is a neurotoxin that accumulates both in soft tissues and the bones. Lead poisoning has been documented from ancient Rome, ancient Greece, and ancient China. Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a trivalent other metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally uncombined, although its sulfide and oxide form important commercial ores. The free element is 86% as dense as lead. It is a brittle metal with a silvery white color when newly made, but often seen in air with a pink tinge owing to the surface
The Case of the Chemical Syndicate the Chemical Syndicate" has been reprinted in: Due to holding a special place as Batman’s first published adventure, “The Case of the Chemical Syndicate” has been remade several times. In 1969, the thirtieth anniversary of the story, a contemporary update written by Mike Friedrich was published in "Detective Comics" #387 with art by Bob Brown and Joe Giella. Titled “The Cry of Night is -- Sudden Death!”, it updated the setting to a contemporary one and introduced an element of generational gap, playing on a small aspect of the original in which the victim’s son was suspected of the crime.