Testing CRAZY chemistry recipes from a 1933 formulary book (part 4)


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35 replies
  1. Seth Rebel
    Seth Rebel says:

    The coal dying was really cool….i live next to what used to be a railroad station my house is actually one of the original houses for it…i find alot of coal all the time and a few pieces have that iridescence to it what would cause that "naturally" or do other chemicals have to present to alter its color?

    Reply
  2. charlie.g.hague
    charlie.g.hague says:

    Uhhh, drill bits aren't supposed to be mild steel like that. They're supposed to be hardened steel, which means they will break before they bend. That's like trying to saw wood with a butter knife.

    Reply
  3. SomeDudeFromOhio
    SomeDudeFromOhio says:

    We used potassium dichromate in highschool. Looking back, it may not have been a great idea to entrust that sort of compound to 15 year-olds. My lab partner managed to spill a bunch on his arm.

    Reply

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