I ordered some filters that i just got in yesterday. I thought they were whatman but when i opened the package they said Titan2 on the filter and were yellow. Never used these before but they looked just like a whatman so i figured what the hell. Well i was filtering some fina today and the thing clogged after 2ml. I pushed harder and the filter busted and about a ml of fina shot all over my face and in my eyes whiched burned for a good 30 min. I had some whatmans left over from a previous batch and filtered the rest of the fina using one whatman. I guess my question is has anyone used these before or had problems? I thought it was kind of odd that it clogged after 2ml and with the whatman i filtered about 30ml with absolutly no probs.
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Yep i just looked it up and they are PTFE. So does that mean they are going to do the same thing with all my conversions? I have quite a few conversions i was gonna work on but if these filters are useless i'll have to wait and order some whatmans.
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They are color coded. Yellow is PTFE, Red is PVDF. Here is a pic of the ones i got.Attached Files
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The new Titan 2 are rated for 70lbs more pressure then the whatmans.
Your problem is 100% because of the membrane. If you chose a whatman using the teflon membrane the exact same thing would happened. Save yourself like 50% in price and get the titan2's
GT
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