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  1. #1
    Ryanhallmark's Avatar
    Ryanhallmark is offline Senior Member
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    Need help with Fina Filtering

    Bro's I am having a hell of a time trying to filter my fina. I don't under stand how you can get the needle on the whatman filter once the what man is on the syringe? And am I the only one that gets some fina on your hands by the time that Iam done filtering. I just tried to filter my fina to a .25 after I saw some thing floating in the final product, and I had to stop because it would have taken my for ever. And yes I did warm up the vial in hot water.??

  2. #2
    Whoisdaman is offline Senior Member
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    One side of the whatman connects to the syringe and the other side connects to the needle. I can't really see where you could go wrong on that part.

    And you get fina on your hands? I do after I am done filtering and disconnect the whatman from the needle, then all of the nasty guck spews out of the top. But from the vial, to the syringe/whatman, to the clean vial none of the fina should touch your skin.

    Did you read the directions online?

  3. #3
    Ryanhallmark's Avatar
    Ryanhallmark is offline Senior Member
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    Yes, one side of the whatman is threaded and the other is smooth...All the needles I have ever seen are threaded into the sheelth that they come in. So you would have to untwist them from the sheelth with the syringe.?

  4. #4
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    Bro, the wattman goes between the needle and the body of the syringe!

    Look:



    Red

  5. #5
    Ryanhallmark's Avatar
    Ryanhallmark is offline Senior Member
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    Can see your pic, but yes I understand that...

  6. #6
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    Also you want to use a 10cc syringe when filtering, and NOT a 3cc one.

    The reason is simple, you WANT to filter very slowly. If you try to go fast, you might push crap passed the filter, which is "not a good thing".

    A 10cc is nice and slow and doesn't produce too much pressure on the filter. A 3cc syringe on the other hand will produce a tremendous pressure on the filter (thats when you get crap getting thru, needles flying off, fina spraying everywhere...)

    It's basic hydraulics... large diameter piston = low pressure, small diameter piston = high pressure. High pressure = not good for filter.

    (I know this may not have anything to do with your original question, but it's a random tidbit of usefull information )

    Red

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