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isabella lindquist
2025-03-23 16:12:20
Used to slowly drip in reactants during experiment. Worked great. As usual with these things need to ensure valve moves freely but tightly and turn the knob VERY slowly until you get the flow rate you want.So much better than using a plain separatory funnel - prevents excess air from tainting reactants.
Deborah Walters
2025-02-11 09:57:23
So this was bigger than I thought but it is really good and high quality the stop cock is made out of Teflon so it kind of greases itself and I don't have to apply Grease it looks exactly the same as what they advertise it looks amazing feels amazing and works amazing I used to use a separatory funnel with a one hole rubber stopper connected to it but now this is much more high quality =) great job lab basics
Scott Terry
2024-12-18 21:05:43
Affordable but joint isn’t too tight
I love Boro
2024-12-16 16:06:14
Does what it’s supposed to. Happy with this piece of glass
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