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Pyridine synthesis/extraction
AFAIK, at this point if water is added at the rate it's distilled, in time only niacin should remain ... |
10-9-2018 at 13:49
by: S.C. Wack |
Pyridine synthesis/extraction
I presume that after niacinamide is refluxed with conc. HCl for long enough, the HCl distilled off w ... |
10-9-2018 at 02:52
by: S.C. Wack |
Looking for cheap bottles, 250, 500, 1000ml. Any recommendations?
Cynmar has a lot of stoppered bottles, and OK single-bottle pricing on others. I like Nalgene square ... |
8-9-2018 at 19:08
by: S.C. Wack |
Sodium Thiosulfate Synthesis and Purification
[rquote=534078&tid=88178&author=Doped-Al2O3-fusion][rquote=532296&tid=88178&author=S ... |
8-9-2018 at 16:42
by: S.C. Wack |
Brown liquid in KOH drain cleaner
Many years ago while exploring Kmart as an OTC source a gallon of their KOH cleaner caught my eye be ... |
8-9-2018 at 09:06
by: S.C. Wack |
Pyridine synthesis/extraction
Hydrolysis of niacinamide is not difficult with HCl or NaOH. |
8-9-2018 at 09:01
by: S.C. Wack |
Preparation of Dimethyl Sulfate Discussion
Get BaCO3 from a ceramics supplier if nothing else (expect sulfide) and don't look back. BaSO4 is he ... |
8-9-2018 at 08:58
by: S.C. Wack |
making anhydrous ethanol from vodka.
[rquote=534024&tid=68408&author=unionised]What source is best depends where you are in the w ... |
8-9-2018 at 08:43
by: S.C. Wack |
Iodomethane prep.
I would not think the thermal stability while mixed with stuff is all that great, even if it works. ... |
7-9-2018 at 18:24
by: S.C. Wack |
Iodomethane prep.
No |
7-9-2018 at 15:29
by: S.C. Wack |
benzyl chloride
Is bromomethylation less tragic? |
7-9-2018 at 14:39
by: S.C. Wack |
Great Online Chemistry Texts for the Beginner and the Curious!
[url=https://catalog.hathitrust.org/Record/000832087]A Comprehensive Treatise on Inorganic and Theor ... |
3-9-2018 at 17:55
by: S.C. Wack |
Nickel II Nitrate
Under what conditions if any can nickels and hydrogen reduce nitrate? Or something else...not all of ... |
3-9-2018 at 05:49
by: S.C. Wack |
Attempting anhydrous ethanol with CaO
Well said. BTW about new members...many of them are strongly suspected of being really only a few, s ... |
2-9-2018 at 12:11
by: S.C. Wack |
Nickel II Nitrate
[rquote=532337&tid=89270&author=JScott]I have searched what you left me and come up with eve ... |
30-8-2018 at 15:45
by: S.C. Wack |
Purification of Laboratory Chemicals
Nickel nitrate (6H2O) [13478-00-7] M 290.8, m 57. Crystd from water (0.3mL/g) by partial evaporation ... |
29-8-2018 at 16:34
by: S.C. Wack |
Sodium Thiosulfate Synthesis and Purification
SO2 may be preferred over air. |
29-8-2018 at 15:44
by: S.C. Wack |
Sodium Thiosulfate Synthesis and Purification
Maybe there's a good reason to use sulfite instead of NaOH after all. |
29-8-2018 at 02:54
by: S.C. Wack |
anyone have experience forming grignards from chlorobenzene
There's really no reason why the flask can't be left to reflux for a few days with the iodine...it's ... |
21-8-2018 at 15:20
by: S.C. Wack |
anyone have experience forming grignards from chlorobenzene
Gilman indicated the smallest amount of iodine took a month of refluxing and standing and experiment ... |
18-8-2018 at 13:14
by: S.C. Wack |
anyone have experience forming grignards from chlorobenzene
Gilman said it's possible with ether or no solvent...he has no YT or IG so I guess it never happened ... |
18-8-2018 at 06:15
by: S.C. Wack |
Attempting anhydrous ethanol with CaO
The contents of the flask don't need to be liquid or stirred or filtered (shaken perhaps)...it looks ... |
16-8-2018 at 20:06
by: S.C. Wack |
Some fungus growing on grass
BTW [url=https://www.youtube.com/watch?v=ielb0C1JYsw]this[/url] shows helpful hints like ergot growi ... |
14-8-2018 at 14:34
by: S.C. Wack |
thoughts on laboratory lattice
Used Fisher Castaloy has the secret sauce for anything threaded especially thumbscrews, and not rust ... |
11-8-2018 at 20:02
by: S.C. Wack |
Some fungus growing on grass
I didn't read the article but BTW it looks like that's not ergot they're writing about. So, tall fes ... |
6-8-2018 at 14:59
by: S.C. Wack |
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