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    BenAssa's Avatar
    BenAssa Posts: 21, Reputation: -1
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    #1

    Jan 6, 2011, 04:52 PM
    What's the cheapest good lead detection equipment for water supplies
    Would like to be able to test the lead levels in different water sources (home, work, school, friends... )
    And willing to pay for it
    Wondering which machine/test stripe should I buy?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jan 9, 2011, 12:24 AM

    From a chemistry point of view, you can try sulfuric acid, or any other solution with sulfate ions.

    If a white precipitate (solid) is formed in the solution (preferably clear transparent before testing), then lead is present in the water.

    Caution should be taken though if you use sulfuric acid as it is corrosive.
    BenAssa's Avatar
    BenAssa Posts: 21, Reputation: -1
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    #3

    Jan 25, 2011, 11:51 AM
    Comment on Unknown008's post
    It really doesn't sound like this method would show anything in the PPB range which is where I expect most water sources to be in( I think 50 PPB is the CA legal limit for drinking water)
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Jan 25, 2011, 12:22 PM

    Maybe you could ask this question in the plumbing area?

    Yes, I didn't know the magnitude of the concentration concern, I'm sorry about that. My method would require a 500 mol/L concentration of acid for a 1 ppb concentration lead :p

    I tried Google and there are some interesting links coming up. I 'm sorry I can't help you here :(

    I'll ask for your question to be moved to the plumbing area. Is that okay with you?
    BenAssa's Avatar
    BenAssa Posts: 21, Reputation: -1
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    #5

    Jan 28, 2011, 05:50 PM
    Comment on Unknown008's post
    Yeah sure
    Thanks man
    If I remember my chem classes well than the maximum mol/L for simple acids is in the low 10s
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