Breather needle
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P PeptideCritic moved this topic from Supplies Discussion on
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@Randy is it 30Ga-1 inch option
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Not at all; a syringe with the stopper removed is just fine. Some of us just like buying every possible piece of equipment. Given the size of the cartridge membrane, I like thinner gauge needles for this job.
My main setup is 3ml 25g Luer lock syringes for recon, 31g 1.5” needles for pulling from vials(to get every unit!), and 30g 1” needles for venting. This was mostly driven by what was recommended or what was available, and since they come in 100 packs, they last a while.
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Stopper = plunger.
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No need. Nothing it going through it. The filter is to remove potential contaminants in the peptide solution, not particulates in the air.
The likelihood that something bad in your house is going to find its way through the breather needle and cause a problem is quite small. Though now that you asked, I am sure I will start finding cat hairs in my cartridges.
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