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Your cart is empty.This qualitative filter paper has a diameter of 15cm and retains medium sized particles. Our qualitative filters average .15% ash content. Our filter paper is produced in circles and sized by diameter. Each pack contains 100 filters. Quantitative filters are used when you are generally concerned about what is left on the filter. Qualitative filters are used for both collecting a precipitate or solid and removing unwanted substance from your filtrate that passes through the filter, but not as concerned about he quantity of substance that remains on the filter. Sold in packs.. These are new and unused.
Robert C. Messina
2025-09-03 14:52:35
Excellent product of Chemistry filters I have used! DID ITS JOB TO THE BEST OF MY KNOWLEDGE!
Teddy Gordon
2025-06-16 12:11:46
Not the best for BHO extraction. I was sick of using brown unbleached coffee filters but this still is a bit too thick. Works great for winterizing though.
DH of NY
2025-05-07 18:13:34
Almost what we were looking for. Had to cut it into strips for a science project and it worked great!
GH Solutions
2025-04-22 14:54:11
Junk ! The Egyptians first try at papper held up better than this crap.
Matthew Fellner
2025-03-20 16:50:27
Quality filters at a good price. Thanks!
mohamed abdulla rashed
2025-02-23 18:48:15
ok
CV
2025-01-16 14:05:58
The filter paper I received is "Lab Nerd" brand, and it falls apart like newspaper when wet. I'm not sure if this could have been a shipping error or what, but the package definitely indicates it's qualitative filter paper for a 15cm funnel. I'm not sure what use this stuff would be to anyone considering the disintegration issue. Definitely not impressed.Have contacted SEOH and will update this review if it turns out to be a shipping error.
TreeTreeTree
2024-11-19 18:37:58
We purchased this product for a school science fair. Our first try was coffee filters, which were far below what was needed.
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