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  1. #11

    Join Date
    Sep 2006
    Shooter
    35mm RF
    Posts
    435
    I know someone who bought a substantial jug of Ferric Chloride, which is used to etch copper printed circuit boards. Managed to drop it on the steps out of the Kendall Square subway station in Cambridge, MA. Apparently it did quite a job eating up the aluminum friction treads on the staircase. They've long since been replaced, but the cement steps do look somewhat swollen. (That could be salt damage.)

    Rodinal is a pretty strong base. Might react nastily with steel or aluminum railway vehicle. Airlines are certainly very concerned about chemicals that could corrode aluminum, or make a hole in it! Powdered chemicals aren't likely to do that, but there are plenty of liquids that will.

  2. #12

    Join Date
    Nov 2007
    Location
    Tacoma, WA
    Shooter
    Multi Format
    Posts
    560
    I think the best rule to live by in this case is hope they don't ask and don't tell.

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