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homebrew aspirator
Congratulations frogfot, your (beautifull) page will certaily become a reference for those willing t ... |
16-9-2004 at 03:22
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by HRH_Prince_Charles[/i]
<snip>
Secondly, try it with the aspir ... |
15-9-2004 at 03:14
by: Tacho |
Sealing ampoules
[quote][i]Originally posted by chemoleo[/i]
Can I ask a really simple question: How do you avoid th ... |
13-9-2004 at 08:48
by: Tacho |
Sealing ampoules
David,
I have done quite a lot of elementary glasswork on 10mm diameter borosilicate (pyrex) gla ... |
13-9-2004 at 03:47
by: Tacho |
Colloidal ceramic bonding
I have no idea how to MAKE them, but I find colloidal silica in dentist's supply shop, as a liq ... |
13-9-2004 at 03:36
by: Tacho |
Ethanol rates of evaporation with/without stirring.
Thanks. Would you mind to expand "better diffusion at the gas-liquid boundary" to a paragr ... |
12-9-2004 at 13:02
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by frogfot[/i]
If hose diameter limits pumping speed, than would volume ... |
12-9-2004 at 12:53
by: Tacho |
Ethanol rates of evaporation with/without stirring.
I’m doing experiments about the evaporation of ethanol under reduced pressure.
Using the same 300 ... |
12-9-2004 at 12:32
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by Hermes_Trismegistus[/i]
strange....almost like hydrodynamics are ... |
5-9-2004 at 12:00
by: Tacho |
Using mouse balls in one-way valves.
Don't castrate you pet yet.
The picture shows (in 2, 3 and 4) how to use your computer' ... |
5-9-2004 at 07:57
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by frogfot[/i]
<snip>
Btw, any idea how to decrease the end of ... |
4-9-2004 at 17:33
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by frogfot[/i]
Why is 20 torr "to good to be true"?!?! lol It ... |
3-9-2004 at 00:26
by: Tacho |
homebrew aspirator
Well, Hermes... Touché. He, he, he.
HRH,
I'll do my best. First I'll buy a new gaug ... |
2-9-2004 at 03:33
by: Tacho |
homebrew aspirator
[size=4][b]Major success![/b][/size]
I built a jet ejector pump folowing the directions given by ... |
1-9-2004 at 15:44
by: Tacho |
homebrew aspirator
Wow, I'm speechless!
Thank you again HRH and thank you rogue chemist.
Organikum,
I just ... |
31-8-2004 at 09:03
by: Tacho |
homebrew aspirator
Thanks a lot!
Great information!
I knew there was something very strange with those designs. ... |
31-8-2004 at 08:27
by: Tacho |
Forget vacuum cleaners!
Mine is a pretty powerfull one and it could only pull 640mmHg.
200mmHg is the maximum I could ge ... |
31-8-2004 at 03:55
by: Tacho |
homebrew aspirator
Humm... it's true. A vacuum cleaner might get 200 mmHg... I never thought of that.
But, as O ... |
30-8-2004 at 08:38
by: Tacho |
homebrew aspirator
I would be very happy with a 200mmhg vacuum. It' enough to boil ethanol at 50ºC (that's m ... |
30-8-2004 at 05:08
by: Tacho |
Mosquitos attractive frequencies
I did some research on getting-rid-of-mosquitos some time ago. I doubt there is any frequency that w ... |
30-8-2004 at 03:19
by: Tacho |
homebrew aspirator
[quote][i]Originally posted by Hermes_Trismegistus[/i]
Now repeat after me.
Hydrodynamics is ext ... |
29-8-2004 at 14:38
by: Tacho |
Vacuum station/ aspirator - homemade.
My miserable junkyard refrigerator vacuum pump failed when I needed it most!
I decided to build ... |
29-8-2004 at 12:48
by: Tacho |
Jumbo Reflux Apparatus, homebuilt.
Just to set the record straight: I understand now that the "soxhlet" device has to have a ... |
28-8-2004 at 15:29
by: Tacho |
Experiment, experiment and experiment!:
I grabbed two pieces of rather pure silver and a power supply with high current capacity.
Big fat ... |
28-8-2004 at 14:04
by: Tacho |
Jumbo Reflux Apparatus, homebuilt.
This is my version of a large soxlet (sp?) apparatus.
Three aluminum pans with lids (the lids of ... |
25-8-2004 at 16:20
by: Tacho |
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