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Cleaning up sodium bisulfate
I have produced some hydrobromic acid using the following reaction:
1. H2SO4 + NaBr(aq.) -> Na ... |
18-9-2018 at 14:33
by: nimgoldman |
What group is easier to Methylate, and how to give quantitative Numbers
Have you considered sodium cyanoborohydride in methanol?
[url=https://erowid.org/archive/rhodium/ ... |
18-9-2018 at 14:17
by: nimgoldman |
Purple DCM??
[rquote=534517&tid=91222&author=MrHomeScientist]Shot in the dark: Was your calcium chloride ... |
17-9-2018 at 12:50
by: nimgoldman |
Attempting anhydrous ethanol with CaO
[rquote=535545&tid=88245&author=macckone]5g per 1g of water is about right. Seives absorb 2 ... |
15-9-2018 at 07:55
by: nimgoldman |
Lab tips & tricks
One more tip is to have certain common chemicals in a freezer, especially brine, sulfuric acid and s ... |
15-9-2018 at 07:46
by: nimgoldman |
Lab tips & tricks
[rquote=535686&tid=81777&author=Ubya]i did a similiar thing some time ago when i broke my on ... |
15-9-2018 at 07:38
by: nimgoldman |
Lab tips & tricks
Improved thermometer.
It's simply the TM-902C probe inside a thermometer adapter filled on bottom ... |
14-9-2018 at 17:32
by: nimgoldman |
Lab tips & tricks
[rquote=522993&tid=81777&author=VSEPR_VOID][rquote=513404&tid=81777&author=crystal g ... |
14-9-2018 at 17:15
by: nimgoldman |
Ethyl bromide synthesis not working
[rquote=535526&tid=91855&author=happyfooddance][rquote=535517&tid=91855&author=nimgo ... |
14-9-2018 at 17:10
by: nimgoldman |
Attempting anhydrous ethanol with CaO
[rquote=532907&tid=88245&author=Herr Haber][rquote=532800&tid=88245&author=Deathunte ... |
14-9-2018 at 13:52
by: nimgoldman |
Ethyl bromide synthesis not working
The stirrer works fine even with the PTFE paddle. It sometimes fall off but that was fixed with a pl ... |
14-9-2018 at 13:36
by: nimgoldman |
Pretty Pictures (2)
[rquote=533659&tid=26378&author=SWIM][rquote=533502&tid=26378&author=nimgoldman][rqu ... |
14-9-2018 at 07:43
by: nimgoldman |
Ethyl bromide synthesis not working
I have modified the setup and now it finally works.
Actually nothing came over up to 76 °C but I ... |
14-9-2018 at 07:38
by: nimgoldman |
Ethyl bromide synthesis not working
[rquote=535078&tid=91855&author=happyfooddance]This is just a heating issue... There is no w ... |
13-9-2018 at 04:06
by: nimgoldman |
Ethyl bromide synthesis not working
[rquote=535002&tid=91855&author=S.C. Wack]Disregard the heating quote...if the quantities ar ... |
12-9-2018 at 14:31
by: nimgoldman |
Ethyl bromide synthesis not working
Okay today I attempted synthesis of ethyl bromide, a simple alkyl halide according to [url=https://e ... |
12-9-2018 at 13:38
by: nimgoldman |
Pyridine synthesis/extraction
I see. I faced the same problem as I could get only NiacinAmide locally so had to order Niacin from ... |
9-9-2018 at 20:56
by: nimgoldman |
Prototocatechualdehyde methylenation. Photo-essay.
Thanks for the properties table and the pics.
Here is one interesting paper from 2015:
[url=ht ... |
9-9-2018 at 14:00
by: nimgoldman |
making anhydrous ethanol from vodka.
[rquote=534087&tid=68408&author=Ubya][rquote=534039&tid=68408&author=nimgoldman]Sinc ... |
9-9-2018 at 13:38
by: nimgoldman |
HCl Generator Tune-Up
[rquote=534121&tid=90316&author=Doc B]Does your gas inlet tube extend below the surface of t ... |
9-9-2018 at 13:27
by: nimgoldman |
Purple DCM??
[rquote=534176&tid=91222&author=Sulaiman]maybe there is a clue in the first line of the proc ... |
9-9-2018 at 13:19
by: nimgoldman |
Preserving Chemistry Channels
[rquote=503139&tid=73886&author=Boffis]Can anyone recommend a free YT video downloader? I us ... |
8-9-2018 at 08:43
by: nimgoldman |
Purple DCM??
I filtered it and some of the pink stuff mixed with drying agent stayed on filter (looks like a cott ... |
8-9-2018 at 08:38
by: nimgoldman |
making anhydrous ethanol from vodka.
Since ethanol over 40% is regulated and not available in my country (only for licensed businesses), ... |
8-9-2018 at 08:31
by: nimgoldman |
Purple DCM??
I was recycling solvents like usual, but this time needed really pure DCM, so instead of just distil ... |
8-9-2018 at 06:29
by: nimgoldman |
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