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Are you procedural or model driven?
This concept was mentioned by wg48 in the thread about stepper motor stirrers. I had never heard of ... |
3-2-2018 at 16:48
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=505831&tid=41539&author=wg48]Ok lets start at the module.
Is it from your old sti ... |
3-2-2018 at 15:31
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=505769&tid=41539&author=Twospoons]There also appears to be a red wire from pin 2 to ... |
3-2-2018 at 13:38
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=505806&tid=41539&author=wg48]
...( Starting to feel like we're being trolled)
... |
3-2-2018 at 09:00
by: Magpie |
Slow high torque electric motors for stirrer?
Here's the photos:
[file]64713[/file] [file]64715[/file] [file]64717[/file] |
2-2-2018 at 18:24
by: Magpie |
Slow high torque electric motors for stirrer?
I have completely rewired for clarity. I have replaced the 555. The 6vdc rail is the top most rail ... |
2-2-2018 at 17:28
by: Magpie |
Carbon tetrachloride from tetrachloroethylene and chlorine?
I have made CCl4 at near 100% yield by sparging Cl2 into CHCl3. The only by-product was a tiny amou ... |
2-2-2018 at 17:15
by: Magpie |
Process to practically condense large amount of atmospheric water or dew
Mechanical means (compression) are generally cheaper than those using cooling alone. A refrigerator ... |
2-2-2018 at 13:07
by: Magpie |
Preparation of Succinic Acid
Since you have the 1,4-butanediol I would try oxidizing it with nitric acid as I did in making malon ... |
2-2-2018 at 12:58
by: Magpie |
benzyl alcohol oxidation
Please see: https://www.sciencemadness.org/whisper/viewthread.php?tid=26075
This is my prep in P ... |
2-2-2018 at 08:49
by: Magpie |
Slow high torque electric motors for stirrer?
I have a volt-ohm meter but no method for measuring frequency.
There is no voltage at 3 on the 5 ... |
1-2-2018 at 16:40
by: Magpie |
Slow high torque electric motors for stirrer?
The values selected for R1, R3, R4, R5, C1, and C2 are 1KΩ, 680Ω, 680Ω, 680Ω, 0.22 µF, and 0.01 ... |
1-2-2018 at 13:02
by: Magpie |
New information For UK chemists
I really feel badly that you folks are being so ill-treated in the UK and possibly other EU countrie ... |
31-1-2018 at 19:38
by: Magpie |
Slow high torque electric motors for stirrer?
Thanks, Twospoons. I will wait for wg48 to comment tomorrow morning before powering it up. He will ... |
31-1-2018 at 18:38
by: Magpie |
Slow high torque electric motors for stirrer?
Please review and comment on Rev 5, attached. Also please suggest values for C1, R1, R3, R4, and R5 ... |
31-1-2018 at 16:28
by: Magpie |
Slow high torque electric motors for stirrer?
Here is Rev 4 for your review and comments. I popped the hood on the module and saw no resistors. ... |
30-1-2018 at 16:02
by: Magpie |
Preparation of Oleum by Use of Phosphoric Acid
I have not tried Krytox in this application yet.
Here's whats on the lable: Krytox GPL205
0.5 o ... |
30-1-2018 at 13:03
by: Magpie |
Slow high torque electric motors for stirrer?
wg48,
Attached is rev 3 of my wiring diagram. I think you will find it readable. The terminatio ... |
29-1-2018 at 18:01
by: Magpie |
Slow high torque electric motors for stirrer?
First of all let me thank you profusely as I think we are well on the way to solving this problem th ... |
28-1-2018 at 14:00
by: Magpie |
Slow high torque electric motors for stirrer?
Thanks so much for your help, I am really getting desperate.
[rquote=505066&tid=41539&aut ... |
27-1-2018 at 18:50
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=504031&tid=41539&author=Magpie]Thank you very much, Twospoons. I will be getting ba ... |
27-1-2018 at 13:41
by: Magpie |
Diethyl ether peroxide formation prevention
[rquote=505037&tid=80027&author=byko3y]
On the other hand, I'd say you are a victim of safe ... |
27-1-2018 at 08:36
by: Magpie |
Doug's Lab
You are certaintly fighting for the deaf |
26-1-2018 at 21:00
by: Magpie |
Diethyl ether peroxide formation prevention
[rquote=504927&tid=80027&author=Apolo707]
So the BHT they include works well as long as the ... |
26-1-2018 at 08:37
by: Magpie |
Vacuum Distillation
[rquote=504883&tid=79876&author=aga]
In the end i had to destroy the phenol due it's pervas ... |
25-1-2018 at 16:40
by: Magpie |
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