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acetylsalicylic acid hydrolysis
"How would you get it above 140°C?"
Sorry I wasn't clear. The dry ASA decomposes at 140°C, not ... |
7-8-2011 at 19:48
by: ldanielrosa |
acetylsalicylic acid hydrolysis
"Was there a specific reason you didn't use a catalyst?"
Yes. I saw some data that indicated tha ... |
7-8-2011 at 16:37
by: ldanielrosa |
acetylsalicylic acid hydrolysis
Back story: I was inspired by a synthesis video involving aspirin and copper (you know who you are) ... |
6-8-2011 at 18:37
by: ldanielrosa |
Calcium Acetate Preparation Errr
I did this with calcium hydroxide because I thought that acetic acid wouldn't attack the carbonate v ... |
15-6-2011 at 23:21
by: ldanielrosa |
alchemy terms
Sometimes I'll google search for something, and end up in an alchemy forum or article.
I might be ... |
12-6-2011 at 20:51
by: ldanielrosa |
Thoughts on acids/bases
I make my own soap, and that just doesn't happen without a base (NaOH and KOH).
Bases are the wor ... |
9-6-2011 at 00:52
by: ldanielrosa |
crown cork bottles
@Arthur Dent, I haven't seen any off size crown corks either- I'm using the common size. I'm just l ... |
14-5-2011 at 18:51
by: ldanielrosa |
crown cork bottles
@mr.crow, actually melomel concentrated by freezing. The grolsch bottles don't fit inside the case ... |
14-5-2011 at 01:37
by: ldanielrosa |
crown cork bottles
I'm not using the right methods or search engine to find less common sized crown cork bottles. Some ... |
13-5-2011 at 01:43
by: ldanielrosa |
Drying out aqueous ammonium nitrate
You can dissolve more ammonium sulfate in boiling water, then let it cool to room temperature and so ... |
1-5-2011 at 23:36
by: ldanielrosa |
NaI best method?
[rquote=208652&tid=16198&author=mfilip62]
You mean you can simply react it with NaOH!?
How ... |
1-5-2011 at 22:59
by: ldanielrosa |
NaI best method?
Why not oxidize KI to elemental iodine with H2O2 and HCl, wash, and recombine with NaOH for the salt ... |
1-5-2011 at 02:52
by: ldanielrosa |
Getting reagent grade chemicals from the pharmacy
It doesn't seem that long ago I could get KNO3 and sulfur at the pharmacy. I think I can get a bett ... |
1-5-2011 at 02:39
by: ldanielrosa |
Drying out aqueous ammonium nitrate
What scale do you need to work on for your use? You can clean your ammonium sulfate, but from the p ... |
1-5-2011 at 02:29
by: ldanielrosa |
How can I separate a fine precipitate from water?
I'm curious, what are you working on that needs three to five kilograms of extremely clean calcium c ... |
24-4-2011 at 21:37
by: ldanielrosa |
calcium chloride from calcium carbonate (using a chloride salt)
Bad news bro, soluble salts share ions and if anything insoluble results it precipitates out. That ... |
24-4-2011 at 21:23
by: ldanielrosa |
Drying out aqueous ammonium nitrate
It sounds like your ammonium sulfate is dirty. Try recrystallizing that before you start. When it' ... |
24-4-2011 at 21:15
by: ldanielrosa |
galliumsource.com (for getting Ga, Na, K, Rb, Cs, Mg, Br, Ca, In, Li)
Best price I've seen- only 2/3 the next lowest on gallium. I placed an order at 1AM on Saturday, th ... |
24-4-2011 at 21:07
by: ldanielrosa |
Tragedy In Brazil (Rio School)
"In what manner? Could you elaborate a bit? Is there something so wrong with the system that it seve ... |
12-4-2011 at 23:48
by: ldanielrosa |
Ball Mills
Possibly. The one I have is small and unimpressive. It also stinks of gasoline since it was new. ... |
7-4-2011 at 00:04
by: ldanielrosa |
Ampoule sealing inside the glove box
What precisely is it sensitive to? If exhaust from an oxyfuel torch with reducing flame is not an o ... |
10-3-2011 at 01:49
by: ldanielrosa |
triacetin synthesis
Thanks for your input Nicodem, I wasn't really being professional about my methods so I didn't stake ... |
5-3-2011 at 00:39
by: ldanielrosa |
Sand
DougTheMapper beat me to it. I tried the same with beach sand and all the alumina and magnetite tur ... |
5-3-2011 at 00:18
by: ldanielrosa |
triacetin synthesis
Failed. Zero product. I'll have to research this one and may need equipment I don't have yet. |
28-2-2011 at 02:37
by: ldanielrosa |
triacetin synthesis
I'm trying it on a lark. I put 23g glycerol and 45g acetic acid (glacial) in a beaker with 0.5mL co ... |
26-2-2011 at 22:37
by: ldanielrosa |
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