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Unable to concentrate nitric acid to 68%
As for the density calculation, yes I checked the temperature and it was 28 °C. For the density of ...
9-4-2019 at 10:08
by: nimgoldman
Unable to concentrate nitric acid to 68%
[rquote=607977&tid=147593&author=Sulaiman]First, it would be simpler to initially add only t ...
9-4-2019 at 09:56
by: nimgoldman
Unable to concentrate nitric acid to 68%
I usually make concentrated nitric acid by the same simple procedure as presented many times over, [ ...
8-4-2019 at 18:17
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=606532&tid=144546&author=karlos³]You need to reduce the nitropropene to the alkane ...
1-4-2019 at 22:14
by: nimgoldman
Mercury cleanup
I will note the paper towel tip. Several people already advised that.

[rquote=607075&tid=1471 ...
1-4-2019 at 22:04
by: nimgoldman
Help with storage
I never had any problems with sulfuric using PP cap.

I purchased two PBT caps with PTFE liner fro ...
31-3-2019 at 12:54
by: nimgoldman
Diethyl ether storage and peroxides
I think the loss of weight is normal due to evaporation. I encountered slight leakage of vapours fro ...
31-3-2019 at 12:50
by: nimgoldman
Mercury cleanup
Thanks I feel much safer now.

I purchased some [url=https://www.ebay.com/itm/SenSafe-Mercury-Dete ...
31-3-2019 at 07:39
by: nimgoldman
Mercury cleanup
Sure, I am trying not to be chemophobic, but it's hard to find a practical amount of safety, since a ...
30-3-2019 at 16:40
by: nimgoldman
Mercury cleanup
I found very little information about cleaning glassware that went into contant with elemental mercu ...
30-3-2019 at 14:08
by: nimgoldman
sharing Awesome Chemical Pictures (Read first comment)
Harmine and harmaline hydrochloride crystals

[i]Harmala alkaloids extracted from Peganum harmala ...
22-3-2019 at 17:16
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=605867&tid=144546&author=Chemi Pharma]nor @Nimgoldman have got the theorical results ...
22-3-2019 at 09:28
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Yes I am surprised I found the procedure in "Psychedelic Chemistry" from Smith. I have it printed bu ...
17-3-2019 at 07:45
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Okay I've read the following paper from 1994 suggesting several routes from phenyl-2-nitropropene to ...
16-3-2019 at 06:52
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=603986&tid=144546&author=Corrosive Joeseph]Apologies, maybe I dumped too much inform ...
15-3-2019 at 14:19
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Thanks for all the sources and articles. I have skimmed some of them and will try some of the approa ...
28-2-2019 at 01:53
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Thanks for all the input and references!

I know Al/Hg works, but I am quite opposed to working wi ...
27-2-2019 at 20:23
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=603356&tid=144546&author=Tsjerk]That is P2NP! Those needles are indistinguishable.[/ ...
24-2-2019 at 11:42
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Evaporating the mixture is not an option as it haven't evaporated at all even after heating - then i ...
23-2-2019 at 11:06
by: nimgoldman
Questions about clan lab trends (title change)
[rquote=602615&tid=144756&author=VSEPR_VOID]Drug chemistry is boring.[/rquote]

Well Alexa ...
23-2-2019 at 10:27
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Okay I will try seeding the solution with a crystal. Good idea!

[rquote=602363&tid=144546& ...
19-2-2019 at 14:17
by: nimgoldman
Diluting Ethanol to 95% (Azeotropic)
As for the drying, I browsed many threads to realize no common drying agent works properly with etha ...
19-2-2019 at 13:52
by: nimgoldman
Questions about clan lab trends (title change)
Common methods for checking purity are melting point determination as impurities usually heighten th ...
15-2-2019 at 07:17
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
[rquote=602022&tid=144546&author=S.C. Wack]The reaction is known in solvents, with other hal ...
14-2-2019 at 19:07
by: nimgoldman
Failed nitro-aldol reaction. Possible cause and fix?
Thanks for the help. I will try that. Fortunately, I have plenty of 96% and 99% ethanol at hand.

...
14-2-2019 at 11:49
by: nimgoldman
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