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Thread: Disinfecting developed film from lab due to Coronavirus

  1. #11

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    Re: Disinfecting developed film from lab due to Coronavirus

    For negatives, Photoflo should work well enough.

    I heard a good explanation of why soaps are effective.

    Think of the virus as being 'mailed', transferred, to you in a protective envelope.

    The envelope protects the DNA message inside, which is fragile and can no remain together without that envelope's protection.

    Common soaps, simply wash away the envelope and the virus within, is destroyed without that enclosing protection.

    I hope this helps.

    PS: Ditch the negative carriers and use fresh, clean ones, once you have cleaned up the film.

    Rewashing the prints with water, alcohol solution should work too, but I keep Everclear, 95%, for tasks like this sort and shellac mixing, as it is no poison, unless you drink it, and leaves a cleaner feeling skin surface than rubbing alcohol, in my opinion.

    IMO.

  2. #12
    Vaughn's Avatar
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    Re: Disinfecting developed film from lab due to Coronavirus

    Quote Originally Posted by Jim Noel View Post
    According to the answer i got to this question, The water gets into the envelop surrounding the virus making it vulnerable to the alcohol. I use my UV sources to disinfect everything
    I remember it being something like that...it is why WHO and other organizations' formulas for hand sensitizers is always 80% or lower.

    I need to give some of my negatives massive UV cleaning -- I found it works best if I lay the negative to be treated on a sheet of paper that has been coated with a solution of iron, platinum and palladium salts.
    "Landscapes exist in the material world yet soar in the realms of the spirit..." Tsung Ping, 5th Century China

  3. #13
    Alan Klein's Avatar
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    Re: Disinfecting developed film from lab due to Coronavirus

    I made my own santizer per instructions on the web. 1/3 alcohol (I had 91%) 2/3 aloe and a few drops of lemon. There's other stuff you can add. The purpose of the aloe is to moisturize the ski as pure alcohol dries out skin something I learned as my hands had gotten all cracked and dried out. It says you need at least 60% alcohol left in the solution to be effective against the virus. Anyuone try high proof Vodka? There are some available that are over 150 proof (75%).
    #6 Bacardi 151 — 151 Proof. (discontinued)
    #5 Balkan Vodka — 176 Proof.
    #4 Hapsburg Gold Label Premium Reserve Absinthe — 179 Proof.
    #3 Bruichladdich X4 Quadrupled Whisky — 184 Proof.
    #2 Everclear — 190 P

  4. #14

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    Re: Disinfecting developed film from lab due to Coronavirus

    Wait; what... Bacardi 151 was discontinued? I missed that news. How horrific!

  5. #15

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    Re: Disinfecting developed film from lab due to Coronavirus

    Propane torch shouldíve care of all of them.

    Or, process your film yourself.

  6. #16

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    Re: Disinfecting developed film from lab due to Coronavirus

    Quote Originally Posted by BrianShaw View Post
    Wait; what... Bacardi 151 was discontinued?
    I guess that means no more Bananas Foster at Brennan's!!!!

  7. #17
    Vaughn's Avatar
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    Re: Disinfecting developed film from lab due to Coronavirus

    Quote Originally Posted by Bob Salomon View Post
    Propane torch should’ve care of all of them....
    If I do get this virus, I am going to build a fire in the backyard and sit by it all day -- every time I cough, I do so into the fire and fry those buggers!
    "Landscapes exist in the material world yet soar in the realms of the spirit..." Tsung Ping, 5th Century China

  8. #18

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    Re: Disinfecting developed film from lab due to Coronavirus

    Quote Originally Posted by Vaughn View Post
    If I do get this virus, I am going to build a fire in the backyard and sit by it all day -- every time I cough, I do so into the fire and fry those buggers!
    Make love, not war, and embrace them!!! They want to be with you, right??? Give 'em cute little pet names like Nigel & Percy etc, and give 'em a matchbox to start their own little world...

    Then throw it into the fire... ;-)

    Steve K

  9. #19
    Alan Klein's Avatar
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    Re: Disinfecting developed film from lab due to Coronavirus

    Quote Originally Posted by BrianShaw View Post
    Wait; what... Bacardi 151 was discontinued? I missed that news. How horrific!
    When I was in the USAF in Japan in the mid 1960's, the Airmen's Club use to make double Red Heart Rum and cokes. Red Heart was 151 proof rum too. A couple of those and you'd be good for two days. Don;t know if they make that anymore.

  10. #20

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    Re: Disinfecting developed film from lab due to Coronavirus

    >1/3 alcohol (I had 91%) 2/3 aloe

    You have the ratio wrong. You need to end up with at least 70% alcohol in the final mix.

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