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Sodium Ethyl Sulfate
I'm not 100% sure that it can't react with aluminum, but it doesn't ordinarily... it very well may r ...
18-9-2017 at 21:26
by: JJay
eBay seller deschem
Deschem declares stuff for what it is and usually puts the word "lab" on glassware. Generally, 24/40 ...
18-9-2017 at 06:42
by: JJay
Preventing foam formation-steam distillation?
Benzyl alcohol steam distills in a concentration of 9% with water at 100 C. According to its relativ ...
17-9-2017 at 22:44
by: JJay
Preventing foam formation-steam distillation?
I don't completely understand how steam distillation works, but I think it might have something to d ...
17-9-2017 at 16:58
by: JJay
Preventing foam formation-steam distillation?
Another option would be to hold the cinnamon in a bulb or tube and to run steam through it rather th ...
17-9-2017 at 16:50
by: JJay
Preventing foam formation-steam distillation?
I have used cetyl alcohol as an anti-foam agent, and it is highly effective. But it is a bit volatil ...
17-9-2017 at 16:25
by: JJay
Forced air soxhlet extraction? Could it work?
The liquid in the flask would rise until it reaches its boiling point or approaches the temperature ...
16-9-2017 at 15:35
by: JJay
Total chlorine
In water treatment, it appears that "total chlorine" does not include chlorides: https://www.cdc.gov ...
5-9-2017 at 02:01
by: JJay
Total chlorine
Total chlorine includes all chlorine, including chlorides and chlorinated compounds.
5-9-2017 at 01:20
by: JJay
Sodium Ethyl Sulfate
Diethyl sulfate smells good, but it is hazardous at levels barely above the odor threshold, so if yo ...
4-9-2017 at 22:49
by: JJay
Baking Soda in water
I don't think that crystalline forms of sodium carbonate absorb carbon dioxide to a significant degr ...
4-9-2017 at 22:32
by: JJay
Chromium(III) oxide from K2Cr2O7
Ethanol generally does take a long time to react with dichromate unless it's acidic.
4-9-2017 at 18:17
by: JJay
3A seives (and others 4A, 5a, x11, x13 and more) - about $6/lb
If this does happen, I would like some 4A sieves. They would be especially good for drying ether.
4-9-2017 at 17:56
by: JJay
Sodium Ethyl Sulfate
Sodium ethyl sulfate decomposes at around 130 C to produce ether. Some amount of ethyl alcohol is pr ...
4-9-2017 at 17:53
by: JJay
OTC Oxalyl Chloride Challenge
I'm pretty sure the prize is off the table at this point. If someone feels this is unfair to him/her ...
4-9-2017 at 17:13
by: JJay
OTC Oxalyl Chloride Challenge
Well, I can't extend the deadline forever, but I can push it back 1-2 weeks if someone is working on ...
31-8-2017 at 11:01
by: JJay
OTC Oxalyl Chloride Challenge
Hello everyone. I think some great information has been compiled here. I know I've certainly learned ...
30-8-2017 at 20:40
by: JJay
Encrypted Lab Notebook
[rquote=490826&tid=76003&author=Melgar]I've dealt with DEA and ATF chemists before. They te ...
22-8-2017 at 06:43
by: JJay
Important chemicals for a start up lab what to get and what not to get
You definitely want a good selection of analytical reagents like bromothymol blue, phenylanthranilic ...
21-8-2017 at 06:20
by: JJay
Solar Eclipse 2017
I made a pinhole camera for watching it by sealing a small box with tape, cutting off one end of the ...
21-8-2017 at 06:14
by: JJay
Sodium Ethyl Sulfate
You can get a pretty good indicator of when the Ca(EtSO4)2 is neutralized when adding sodium carbona ...
16-8-2017 at 07:47
by: JJay
Phenylacetonitrile from Phenylalanine
Very cool. Bravo.
14-8-2017 at 22:11
by: JJay
Diethylamine Hydrochloride Synthesis
I ended up adding 2 mL more azeotropic HCl and running for about five hours, with two hours at a rol ...
14-8-2017 at 09:21
by: JJay
When Chemistry Goes Wrong
Oh. Benzaldehyde is like that here (although they let some people get away with buying it). Benzyl a ...
14-8-2017 at 01:53
by: JJay
Diethylamine Hydrochloride Synthesis
After refluxing gently for about three hours and seeing little change aside from a light pink color ...
13-8-2017 at 23:53
by: JJay
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