All Questions
7
questions
4
votes
1
answer
77
views
How does functionalized activated charcoal work?
If I understand correctly it is possible to trap stuff inside activated charcoal (AC) pores to give it specific retention properties (by exposing it to functionalizing compounds while heated to open ...
- 1,097
11
votes
3
answers
3k
views
Sintered vs perforated plate Büchner funnels
I just bought a sintered-glass style Büchner funnel for some vacuum filtration tasks. There's two issues I'm having with it:
Filter material, especially activated charcoal, ends up stuck in the glass ...
- 1,172
8
votes
1
answer
1k
views
What kind of filter can remove zeolite dust from ethanol?
I only really have high school level knowledge of chemistry, and also I don't really own any lab equipment.
I'm using 3A zeolite molecular sieves to dry ethanol (and sometimes isopropanol) and they ...
- 1,172
1
vote
0
answers
77
views
Which Additives May be Present in Cellulose Filter Paper? [closed]
I'm wondering what, other than cellulose, might be contained in filter paper (the kind routinely used in Buchner filters / normal funnels).
A search here on Chemistry Stackexchange shows that at least ...
- 1,097
11
votes
1
answer
3k
views
What is the scientific term to describe the operation of a bong?
What is the scientific term for the separation of dust particles from air by suction through a specialized flask in a way similar to the operation of a bong?
The thing that led me to this was a ...
- 639
17
votes
5
answers
5k
views
Why isn't pressure filtration popular compared to vacuum filtration?
I want to build a DIY vacuum filtration apparatus with a bike pump but it's very difficult to find one the could be easily converted into a vacuum pump. This prompted an idea to simply build a reverse ...
- 1,480
4
votes
2
answers
4k
views
Benefits of a Buchner funnel w/ a fritted disc instead of Quantitative Filter Paper Circles
I was wondering if someone could enlighten me on some example us cases where one would be better of using a Buchner funnel with a fritted disc (example), as opposed to a Buchner "style" filter (...
- 263