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Thread: Ideas that you might find useful in a garage or workshop

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    Supporting Member Kovanca Polock's Avatar
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    Lightbulb Ideas that you might find useful in a garage or workshop

    Ideas that you might find useful in a garage or workshop

    Last edited by Jon; 06-13-2020 at 02:28 PM. Reason: Adding video inline

  2. The Following 7 Users Say Thank You to Kovanca Polock For This Useful Post:

    Andyt (06-17-2020), dubbby (06-23-2020), FEM2008 (06-16-2020), Jon (06-18-2020), madmick77 (06-16-2020), Quinton 357 (06-17-2020), suther51 (06-17-2020)

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    Claudio HG's Avatar
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    Claudio HG's Tools
    Please may you provide some help?
    At 4:00 I see two jars, one with lighter blue liquid labeled "ЛАΤЧНЬ" and the other with a darker blue liquid labeled "МЕДh" (not sure to have interpreted them correctly). What do they means?
    What is the role of the ethanol (C2H5OH)?
    Why washing the parts in sodium hydroxide after coating them with copper(II) sulphate?
    Thanks for the video.

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    Supporting Member Kovanca Polock's Avatar
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    Composition for copper:
    copper sulfate - 100 gr.
    alcohol - 50 ml.
    battery electrolyte - 250 ml.
    distilled water - 150 ml.
    The composition for washing:
    alkali - sodium hydroxide

    For brass, 1/1 zinc electrolyte is added to the copper electrolyte
    Zinc Electrolyte:
    add to battery electrolyte
    pieces of zinc, leave for 12-24 hours. Then filter, add 50 ml of technical alcohol, per liter of electrolyte.

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    victor69 (06-26-2020)

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    Claudio HG's Avatar
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    Claudio HG's Tools
    Thank you very much for your reply and for the composition you provided. But still I don't get the scope of the alcohol in the mixture.
    Cheers.

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    Supporting Member Kovanca Polock's Avatar
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    Kovanca Polock's Tools
    Alcohol 50 milliliters


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