Uv Sterilisation

Discussion in 'Newbie Corner' started by Blitz, Jan 15, 2020.

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  1. Blitz

    Blitz Well-Known Member
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    Does this actually work?

    "Never drink any water found in nature without first treating it, either by boiling, using a portable water filter or UV sterilisation (by the sun). An example of UV sterilisation is to fill a clear (not coloured) water bottle and place it in the direct sunlight for at least 3 hours which will allow the suns UV rays to sterilise the water and make it safe for drink."

    I had never thought leaving a bottle of water in the sun could sterilise water.

    https://www.theblondenomads.com.au/5-bush-survival-tips/
     
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  2. Justin Baker

    Justin Baker Expert Member
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  3. Blitz

    Blitz Well-Known Member
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    Thanks Justin. Great article. Where I am, leaving in the sun for 6 hours is very feasible. It was interesting to read that it works in low temperatures. I automatically thought you would need high temperatures, but thinking about it logically, seeing as it's the UV rays that do the work, temperature isn't really an issue.

    I wish I had a chemistry set. I would love to test this. :)
     
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  4. Justin Baker

    Justin Baker Expert Member
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    You can actually get water test kits at a lot of home and garden stores. Make sure you test before and after you do the experiment!
     
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  5. Blitz

    Blitz Well-Known Member
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    Can you? I didn't realise. I'll have to make some enquiries. And yes, don't worry, I'll definitely test before and after ... :D
     
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  6. Old Geezer

    Old Geezer Legendary Survivalist
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    Why stop with ultraviolet? Industry goes gamma.

    http://www.radioactivity.eu.com/site/pages/Food_Processing.htm
    "Gamma rays are used industrially to ensure standards of hygiene in the food we consume. Over 20,000 tonnes of produce get sterilized every year in France, either by gamma irradiation or accelerated electrons."
     
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  7. Blitz

    Blitz Well-Known Member
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    Yes, but it's perfectly safe, don't you know. Surely you trust the Government to ensure our food is adequately processed. o_O
     
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    1. Old Geezer
      Mainly, I worry about the flavor. Radiation is about as subtle as a bulldozer.
       
      Old Geezer, Jan 17, 2020
  8. F22 Simpilot

    F22 Simpilot Expert Member
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    They use Gamma rays on scalpel blades as well.
     
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    1. Old Geezer
      Does the job.
       
      Old Geezer, Jan 17, 2020

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