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Resorcinyl monoacetate
I searched but could find no experimental data on resorcinyl monoacetate.
Resorcinol is 110g/100ml ... |
10-2-2018 at 14:17
by: Magpie |
help with pump aspirator
An aspirator uses the venturi principle to create a vacuum. This is based on the Bernoulli equation ... |
10-2-2018 at 13:05
by: Magpie |
Preparation of Benzaldehyde from Benzyl Alcohol
Please see ChemiPharma's improved procedure here:
https://www.sciencemadness.org/whisper/viewthre ... |
10-2-2018 at 10:11
by: Magpie |
benzyl alcohol oxidation
ChemiPharma,
I agree, your procedure gives a much better yield and uses more OTC materials. Well ... |
10-2-2018 at 10:09
by: Magpie |
Slow high torque electric motors for stirrer?
I have a Mineba unipolar (2 phases, 6 wires) that I have been using in the bipolar mode (2 phases, 4 ... |
9-2-2018 at 16:56
by: Magpie |
Slow high torque electric motors for stirrer?
I tried running the Zyltech again several hours later. It would not go; but it vibrates strongly li ... |
8-2-2018 at 20:39
by: Magpie |
Slow high torque electric motors for stirrer?
I just got the Zyltech NEMA 23 to operate using the A4988 driver. At 30vdc it reached an estimated ... |
8-2-2018 at 16:56
by: Magpie |
Slow high torque electric motors for stirrer?
Victory! I set up another breadboard using a 555 timer and an A4988 driver. This was used to drive ... |
8-2-2018 at 14:37
by: Magpie |
Are you procedural or model driven?
[rquote=506453&tid=80295&author=NEMO-Chemistry]
Dunno what orchestra you watch, but most I ... |
8-2-2018 at 08:39
by: Magpie |
Are you procedural or model driven?
[rquote=506542&tid=80295&author=DrP]
Vivaldi, four seasons, Winter (I think it's the first ... |
8-2-2018 at 06:19
by: Magpie |
Are you procedural or model driven?
[rquote=506504&tid=80295&author=NEMO-Chemistry]
I took your age into consideration, which i ... |
7-2-2018 at 20:42
by: Magpie |
Are you procedural or model driven?
I think every heterosexual male is a connoisseur of fine women, whether they admit it or not. Age h ... |
7-2-2018 at 16:47
by: Magpie |
Are you procedural or model driven?
[rquote=506453&tid=80295&author=NEMO-Chemistry][rquote=506452&tid=80295&author=Magpi ... |
7-2-2018 at 14:58
by: Magpie |
Are you procedural or model driven?
DrP on Haydn: "I can't listen to them without laughing! (The major key ones anyway). I've never k ... |
7-2-2018 at 13:06
by: Magpie |
Preparation of Benzaldehyde from Benzyl Alcohol
I think I now know why this aldehyde does not oxidize to benzoic acid, significantly: It contains a ... |
6-2-2018 at 12:42
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=506307&tid=41539&author=wg48]
I suggest you check the resistance of the motor windi ... |
6-2-2018 at 12:32
by: Magpie |
Slow high torque electric motors for stirrer?
wg48, sorry for the mistake of omission on my last post. Here is the correction:
phase resistanc ... |
5-2-2018 at 20:14
by: Magpie |
New information For UK chemists
[rquote=506160&tid=78960&author=NEMO-Chemistry]
This is way different to Scotland, I will c ... |
5-2-2018 at 19:53
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=506006&tid=41539&author=wg48]
First check the dip switches are in a suitable positi ... |
4-2-2018 at 14:26
by: Magpie |
Slow high torque electric motors for stirrer?
The 3 resistors are now out but the rotor is still free at 13.5vdc to the module. |
4-2-2018 at 07:26
by: Magpie |
Are you procedural or model driven?
For me it depends on the situation. When doing chemistry I follow procedure except for glassware su ... |
4-2-2018 at 07:07
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=505981&tid=41539&author=wg48]
From your comment about the LED flashing I think you ... |
4-2-2018 at 07:00
by: Magpie |
Slow high torque electric motors for stirrer?
Good thing you looked, Twospoons. Those resistors didn't look like anything I would recognize. |
3-2-2018 at 21:54
by: Magpie |
Are you procedural or model driven?
[rquote=505933&tid=80295&author=JJay]
I vaguely remember using the Cauchy distribution for ... |
3-2-2018 at 20:23
by: Magpie |
Slow high torque electric motors for stirrer?
My Toshiba driver is just like the one in your link. Below is a photo of the inside of the driver:
... |
3-2-2018 at 19:51
by: Magpie |
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