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foam
Here you go;):





[file]35183[/file]
16-11-2014 at 16:20
by: Magpie
foam
ScienceMadness contributes to commercial success! The photos below show the finished product which ...
16-11-2014 at 15:37
by: Magpie
Experiments in Electronics
I'm looking to buy an oscilloscope for hobby use. I know a little about electronics having taken an ...
16-11-2014 at 11:42
by: Magpie
Miscible verses Solubility
Thank you deltaH for that concise and informative introduction to this truly hairy subject - I didn' ...
15-11-2014 at 07:17
by: Magpie
Fume extraction for 3D Printer...
[rquote=365446&tid=45929&author=danielf]
(3) How do you suggest I size and select the rig ...
14-11-2014 at 21:02
by: Magpie
Miscible verses Solubility
I'm not sure if this is the answer you are looking for but I think the root answer is that the syste ...
14-11-2014 at 16:23
by: Magpie
recrystallization -- general techniques of purifying hygroscopic chemicals
I made copper nitrate by dissolving copper wire in nitric acid. I gave up trying to dry it due to e ...
14-11-2014 at 09:46
by: Magpie
Nitrogen Supply-Tanks-Etc
[rquote=364870&tid=45412&author=MrHomeScientist]I recently bought a 40 cubic foot cylinder o ...
13-11-2014 at 10:25
by: Magpie
Chemical Tanker Seen on Highway
My bet is that it was 50%. It was heading right for the place I used to work. We used it in a UV/o ...
10-11-2014 at 13:46
by: Magpie
Chemical Tanker Seen on Highway
Just saw an FMC tanker with this placard:



[file]35080[/file]

The truck was labeled hydro ...
10-11-2014 at 13:11
by: Magpie
Slow high torque electric motors for stirrer?
diddi: I have some resistance data from my stepper motor that may be useful. Consistent with the p ...
8-11-2014 at 12:55
by: Magpie
Operation Cat Army
[rquote=362643&tid=43882&author=CuReUS]
for dyes ,you can ask magpie .He is a member here a ...
7-11-2014 at 09:37
by: Magpie
Slow high torque electric motors for stirrer?
I forgot to identify the IC timer:

[i]IC timer:[/i] Texas Instruments No.: NE555DR; IC OSC SGL T ...
5-11-2014 at 21:04
by: Magpie
Slow high torque electric motors for stirrer?
Nice work on the metal reclaiming diddi. Yes, I did know that there would be a nice Nd magnet in th ...
5-11-2014 at 16:49
by: Magpie
Slow high torque electric motors for stirrer?
Actually I saved the large circuit board in case there might be resistors/capacitors/inductors that ...
5-11-2014 at 06:18
by: Magpie
Lab Coats
I don't have one but was thinking that it would be good to wear one. But I didn't want a white one ...
5-11-2014 at 05:53
by: Magpie
Slow high torque electric motors for stirrer?
That's right diddi. But I did make a mistake in calling it an HP copier- it was a Savin 3515 - not ...
4-11-2014 at 14:28
by: Magpie
Acetaldehyde synthesis
I like the way you built the coiled furnace.

You say the beads don't work too well. Have you tho ...
4-11-2014 at 12:42
by: Magpie
Slow high torque electric motors for stirrer?
I definitely have a stepper. Nameplate information is as I listed above, ie:

MINEBA "ASTROSYN" ...
4-11-2014 at 07:30
by: Magpie
Slow high torque electric motors for stirrer?
hi diddi: I finished tearing down the Savin 3515 copier today (not an HP). I salvaged the big circ ...
3-11-2014 at 21:18
by: Magpie
Preparation of Benzophenone
[rquote=360892&tid=42529&author=lullu]
May I ask how you generate your steam for destillati ...
3-11-2014 at 06:45
by: Magpie
Slow high torque electric motors for stirrer?
[rquote=360811&tid=41539&author=diddi]have you etched your own PCBs? its a bit of chemistry ...
2-11-2014 at 22:49
by: Magpie
Slow high torque electric motors for stirrer?
I do have a soldering iron, solder, etc. I have assembled a Heathkit volt-ohm meter so do have some ...
2-11-2014 at 21:07
by: Magpie
Slow high torque electric motors for stirrer?
Thanks diddi for all that great information. It sounds like I am well on my way to getting a variab ...
2-11-2014 at 20:21
by: Magpie
Slow high torque electric motors for stirrer?
I had unbelievable luck this morning. I walked into Radio Shack to see what parts they had. While ...
2-11-2014 at 15:29
by: Magpie
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