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2-aminophenol synth
The best way to get 2-aminophenol is hydrogenation from 2-nitrophenol using acetic anhydride as solv ... |
9-8-2007 at 15:36
by: armo |
Mechanical stirrer
Hi bio2, sometime ago I made a small mechanical stirrer by using the electric motor inside the credi ... |
9-11-2006 at 15:31
by: armo |
DIY magnetic stirrer
Hi Tacho,
Some time ago I found on the net a site about using stepper motors. I think it was Jones ... |
10-5-2006 at 16:34
by: armo |
PWM and triacs
Hi,Quince. I tryed the PWM + triac solution some time ago and it didint work. The reason is that tr ... |
10-5-2006 at 16:08
by: armo |
Melting Point again
Hi, Tacho
Have you calibrated your thermometer? If you take 10 thermometers at the same temperatu ... |
21-9-2005 at 09:20
by: armo |
MP higher temp
To reach higher temperatures you can use resistive elements for 100W welder.
armo |
21-9-2005 at 07:38
by: armo |
Melting Point Controller
Hi Tacho,
Nice piece of equipment. However I would use a electronic variac to control the rise of ... |
21-9-2005 at 07:35
by: armo |
Boron chemistry
Hi all,
Herbert C. Brown won a Nobel Prize on boron chemistry. He wrote some papers on how to make ... |
21-9-2005 at 05:33
by: armo |
KI darkening
Hi,
I think KI just oxidate in presence of light. That is an old problem for people that deals with ... |
6-9-2005 at 04:28
by: armo |
Ketene lamp
Ok, if you want to make AA, why not? I think the easy way is using a ketene lamp. I´m going to buil ... |
29-8-2005 at 09:13
by: armo |
Acetic Anhydride
Hi, I just like to know why all that interest in making AA. I think organic chemistry has a lot more ... |
26-8-2005 at 05:17
by: armo |
