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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.
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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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