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Disappointed with College Chemistry
[rquote=532211&tid=89917&author=Texium (zts16)][rquote=532205&tid=89917&author=JJay] ... |
29-8-2018 at 05:53
by: JJay |
Disappointed with College Chemistry
In the U.S., a college is a university department. If an educational institution is not organized in ... |
29-8-2018 at 04:10
by: JJay |
What to do with a long glass tube
That will work for detecting quartz all right. I've personally performed that test, first heating th ... |
28-8-2018 at 22:01
by: JJay |
Disappointed with College Chemistry
[rquote=532118&tid=89917&author=RogueRose]Wow, either some of you are kind of dim or your Hi ... |
28-8-2018 at 21:58
by: JJay |
Conversion of Acetone to a Gasoline Alternative
ExxonMobil has a new process that produces a cyclohexanone byproduct instead of acetone: https://www ... |
28-8-2018 at 18:50
by: JJay |
Disappointed with College Chemistry
General chemistry for science majors is different than general chemistry for other majors at some co ... |
28-8-2018 at 18:23
by: JJay |
OTC Oxalyl Chloride Challenge
If someone makes oxalyl bromide, that would be interesting since it could be substituted in many pla ... |
27-8-2018 at 16:15
by: JJay |
OTC Oxalyl Chloride Challenge
Trichloroethene acts as a stabilizer for dichloroacetylene, but I am pretty sure it forms phosgene u ... |
27-8-2018 at 11:24
by: JJay |
Lengthy, time-consuming overhaul of forum software
I use PHP all the time, mainly on Zend (I could use Laravel or something but it wouldn't be my first ... |
27-8-2018 at 04:48
by: JJay |
OTC Oxalyl Chloride Challenge
[rquote=531772&tid=74187&author=boilingstone]Taken straight from wikipedia:
"Ozonolysis o ... |
27-8-2018 at 03:49
by: JJay |
OTC Oxalyl Chloride Challenge
For people reading this thread, the challenge is back up: https://www.sciencemadness.org/whisper/vie ... |
26-8-2018 at 05:43
by: JJay |
Nitric Acid From Oxalic Acid
It's unlikely to work well with calcium sulfate. Oxalic acid is typically a dihydrate, but it can be ... |
26-8-2018 at 05:04
by: JJay |
Separation Funnel as Addition Funnel
The major advantage of doing additions with a jointed sep funnel instead of an addition funnel is th ... |
25-8-2018 at 22:16
by: JJay |
Another beginner question - lead (II) acetate
You can buy toaster ovens at thrift stores for around $10. Given a choice between paying $10 and org ... |
25-8-2018 at 08:52
by: JJay |
wiring PID controlled heating tape from 230V to 120V
It's possible to change the control parameters while it's live, but the interface is pretty primitiv ... |
24-8-2018 at 16:50
by: JJay |
Another quicklime source: food dessicant
I haven't seen those, but I will keep my eyes peeled. |
23-8-2018 at 14:05
by: JJay |
wiring PID controlled heating tape from 230V to 120V
I have a very similar one. The manual for mine encourages leaving the duty cycle at 0-100%, so I've ... |
23-8-2018 at 01:17
by: JJay |
Useful aromatics from styrofoam
There are a few discussions on ozonolysis on this board by people who have actually done it, using t ... |
22-8-2018 at 08:20
by: JJay |
Synthesis of trichloroethylene
No matter how slowly the water drips, you're still going to have a flask full of acetylene. |
22-8-2018 at 04:37
by: JJay |
Synthesis of trichloroethylene
I think that a wide array of catalysts will function to dehydrate ethanol into ethene at sufficient ... |
22-8-2018 at 02:40
by: JJay |
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
Eh, I'm not really sure what to think about that. I think that if you buy a 55-pound sack of tannic ... |
22-8-2018 at 02:23
by: JJay |
Synthesis of trichloroethylene
At what point do you think it is acceptable to allow air into the process? |
22-8-2018 at 01:51
by: JJay |
Synthesis of trichloroethylene
I would certainly suggest not letting any air into the mix, since that could decrease yields. |
22-8-2018 at 00:30
by: JJay |
Proper Chemical Labeling
This is the standard used by law in professional labs in the U.S.: https://www.osha.gov/dsg/hazcom/
... |
21-8-2018 at 23:44
by: JJay |
Synthesis of trichloroethylene
[rquote=530733&tid=88895&author=zhonglanindustry]I think you can use this method
Ethylene i ... |
21-8-2018 at 23:30
by: JJay |
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