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LiH Production Apparatus Design and Operation
I highly recommend that you read the sections on making LiH in "Small-Scale Synthesis of Laboratory ... |
19-2-2018 at 01:07
by: Magpie |
Phosphoric acid from Pepsi
[rquote=507743&tid=80595&author=Texium (zts16)]Of the words that come to mind when thinking ... |
17-2-2018 at 14:56
by: Magpie |
Identifying unlabeled molecular sieves?
Presuming each bag is either 3A or 4A:
4A will absorb ethanol, 3A will not, according to Wiki.
... |
16-2-2018 at 20:04
by: Magpie |
So, I woke up this morning with superpowers
Wow - from high school teacher to supermoderator!
Recall what the slave in Caesar's victory chari ... |
15-2-2018 at 09:36
by: Magpie |
Do you think it is immoral to steal chemicals and equipment?
[rquote=507399&tid=80462&author=JJay]... for good-natured pranks, and I have played a few of ... |
14-2-2018 at 16:51
by: Magpie |
Slow high torque electric motors for stirrer?
I received my Fluke 115 multimeter today. It works as advertised. A 22Ω resistor tested 21.9 Ω. ... |
13-2-2018 at 15:19
by: Magpie |
Do you think it is immoral to steal chemicals and equipment?
This all started when my wife and I visited my son in Brooklyn, NYC. On the way to an art gallery s ... |
12-2-2018 at 19:21
by: Magpie |
Do you think it is immoral to steal chemicals and equipment?
[rquote=507190&tid=80462&author=SWIM]I see MrHomeScientist had to apologize for his assertio ... |
12-2-2018 at 18:21
by: Magpie |
Do you think it is immoral to steal chemicals and equipment?
[rquote=507177&tid=80462&author=wg48]Questions about morality are open questions. They have ... |
12-2-2018 at 16:59
by: Magpie |
Slow high torque electric motors for stirrer?
I have tested my NEMA 17s model 17HS13-0316S and model 17HS19-0406S from Stepperonline. The 17HS13- ... |
12-2-2018 at 13:28
by: Magpie |
Do you think it is immoral to steal chemicals and equipment?
People take office supplies all the time and justify this by feeling they are underpaid. My mother ... |
12-2-2018 at 05:15
by: Magpie |
Cheap refractory materials for insulation, casting and equipment manufacture.
At one time I wanted to cast a copper round bottom flask using the lost wax technique. But I never ... |
12-2-2018 at 05:07
by: Magpie |
Slow high torque electric motors for stirrer?
I prefer scantily  , thank you. I will test this circuit on my other NEMA 17
steppers. |
12-2-2018 at 05:01
by: Magpie |
Anyone working with Vycor or quartz glasses?
I have made SO3 using a 1" quartz tube 18" long in my homemade tube furnace. It's a piece of cake u ... |
12-2-2018 at 04:58
by: Magpie |
Slow high torque electric motors for stirrer?
Attached is a cleaned up circuit that started right off turning my Mineba NEMA 17 stepper motor salv ... |
11-2-2018 at 21:36
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=507034&tid=41539&author=wg48]magpie: Do you now have an interface spec for the new m ... |
11-2-2018 at 16:40
by: Magpie |
Anyone working with Vycor or quartz glasses?
Actually Bert I mis-spoke here. Both pieces are quartz. Please see picture in this thread:
http ... |
11-2-2018 at 15:54
by: Magpie |
Anyone working with Vycor or quartz glasses?
I have a 1" quartz tube, closed one end, about 18" long that I bought for making SO3. It has a groun ... |
11-2-2018 at 15:12
by: Magpie |
Slow high torque electric motors for stirrer?
[rquote=506777&tid=41539&author=Twospoons]You really need to get a better meter. Or possibly ... |
11-2-2018 at 14:34
by: Magpie |
Preparation of Oleum by Use of Phosphoric Acid
Yes, the recycling of H3PO4 is possible, and was mentioned by garage chemist.
I have never used v ... |
11-2-2018 at 14:20
by: Magpie |
Convection for high temperature
Pure oxygen can be obtained in canisters at the hardware or welding supplies store. |
11-2-2018 at 11:29
by: Magpie |
Convection for high temperature
2000°C is extremely hot. 1200-1300°C is white heat, I believe. I don't run my tube furnace over ... |
11-2-2018 at 09:06
by: Magpie |
Sodium dithionite
I have used a product like that in the US called RIT for fading Levi's mostly.
It contains ~12% Na2 ... |
11-2-2018 at 06:54
by: Magpie |
Resorcinyl monoacetate
I misread the Wiki on resorcinol. It is very soluble, ie, 110g/100mL in water. So the monoacetate ... |
10-2-2018 at 17:09
by: Magpie |
help with pump aspirator
Agree, NEMO. 90° bends are killers on flow and introduce asymmetric turbulence. Venturis love sym ... |
10-2-2018 at 14:21
by: Magpie |
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