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homebrew aspirator
Bottomline:
If you have a one-way-valve, try turning the pump off than on again.
Making a short ... |
1-10-2004 at 03:08
by: Tacho |
A vacuumstat.
I stripped my old vacuum gauge and connected the bourdon tube to a microswitch, using a brass lever. ... |
30-9-2004 at 15:31
by: Tacho |
Ion exchange resins
[quote][i]Originally posted by chemoleo[/i]
Tacho, re. catalysis of biodiesel production: In the re ... |
30-9-2004 at 03:35
by: Tacho |
Ion exchange resins
I have read somewhere the very alkaline ones, like yours, would be able to act as catalyst in the tr ... |
29-9-2004 at 11:29
by: Tacho |
BIODIESEL - cheapen your gasoline
I have exposed my mix to a wide range of temperatures (all below the denaturating temp. for the prot ... |
29-9-2004 at 09:55
by: Tacho |
Homemade Plastics?
[quote][i]Originally posted by chemoleo[/i]
Doing the formalin (34%) and urea experiment yielded in ... |
28-9-2004 at 03:56
by: Tacho |
Ar flow has an effect on tht boiling point of distillate??
I agree with Magpie. Is the liquid really boiling? I mean, bubles coming from below the surface? Or ... |
28-9-2004 at 03:38
by: Tacho |
Homemade Plastics?
If you have acess to formaline (formaldehyde solution), it forms polymers with urea, phenol or resor ... |
27-9-2004 at 05:12
by: Tacho |
Caros Acid
Isn't H2SO4+H2O2 known as "piranha solution" for its ability to chew away organics? I ... |
27-9-2004 at 05:05
by: Tacho |
Can't see "Today's Posts"
Thanks Vulture, I'll try it monday. |
25-9-2004 at 05:16
by: Tacho |
Can't see "Today's Posts"
If I click in "Today's Posts" at home, it works normally, but at work it doesn't ... |
24-9-2004 at 10:59
by: Tacho |
A small simple continuous extraction apparatus.
[quote][i]Originally posted by Organikum[/i]
I would suggest to use the end of the tube as condenso ... |
24-9-2004 at 08:02
by: Tacho |
A small simple continuous extraction apparatus.
Thanks Oxydro,
I also think this design is neat, and I was a bit sad that this thread was becomin ... |
24-9-2004 at 04:03
by: Tacho |
BIODIESEL - cheapen your gasoline
Thanks,
I warmed the tube for 3 hours at 45ºC with no apparent results.
Either: 1) The product ... |
24-9-2004 at 03:06
by: Tacho |
BIODIESEL - cheapen your gasoline
I bought this medicine which is basically pig’s pancreatin. It’s made by Solvay Farma (local bra ... |
23-9-2004 at 03:25
by: Tacho |
BIODIESEL - cheapen your gasoline
[quote][i]Originally posted by Tacho[/i]
How can I test the products for the presence of the esters ... |
22-9-2004 at 10:25
by: Tacho |
Darwin's Black Box
There is a book in the FTP called "The Blind Watchmaker". It should be read by anyone inte ... |
21-9-2004 at 08:27
by: Tacho |
BIODIESEL - cheapen your gasoline
I'm doing many experiments with biodiesel based on ricin oil and ethanol (both cheap and widely ... |
21-9-2004 at 03:33
by: Tacho |
Colloidal ceramic bonding
I like sodium silicate very much, but I could never make it insoluble after drying, no matter how ex ... |
19-9-2004 at 10:02
by: Tacho |
Ethanol rates of evaporation with/without stirring.
I think it has all been said here. Although all explanations make sense, I still think this evaporat ... |
19-9-2004 at 09:51
by: Tacho |
A small simple continuous extraction apparatus.
I've built this one to check how much oil there was in a certain seed. I used ethanol as solven ... |
19-9-2004 at 08:35
by: Tacho |
homebrew aspirator
Centimeter,
Considering what I have learned so far, I believe it’s possible that you can built an ... |
17-9-2004 at 16:13
by: Tacho |
Crucibles and Metalcasting
[quote][i]Originally posted by ignaro[/i]
There is another ambiguity (a similar one exists in spa ... |
17-9-2004 at 09:07
by: Tacho |
Crucibles and Metalcasting
[quote][i]Originally posted by Twospoons[/i]
Its possible it was [i]all[/i] carbonate. Did it say ... |
16-9-2004 at 16:42
by: Tacho |
Crucibles and Metalcasting
[quote][i]Originally posted by Cyrus[/i]
If I am understanding the site correctly, I just have to ... |
16-9-2004 at 03:41
by: Tacho |
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