16d • General discussion
Filtering
I have started using pens and bought some needle filters so I could filter my peptides when transfering them from the original vial to the pen cartridge. I withdrew one mL from the reconstituted vile and started to put it into the cartridge passing through the filter. Only about 25% went into the cartridge, but the entire syringe was empty. The other 75% remained inside the filter. I was able to pull back the syringe and get the remaining 75% back out of the filter and put it into the cartridge unfiltered. Did I just get a bad filter or am I doing something wrong?
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Filtering
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