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Invitation to Participate in a Research Study
[rquote=627696&tid=154524&author=diddi]
Where i to be doing such research i would have a) r ... |
10-12-2019 at 04:56
by: DavidJR |
PTFE filters? What are they for?
Interesting, I would not have expected that. |
9-12-2019 at 15:27
by: DavidJR |
Sodium hydrosulfite
I got my sodium dithionite from limac.lv. |
7-12-2019 at 16:37
by: DavidJR |
Invitation to Participate in a Research Study
I have also sent an email. |
4-12-2019 at 06:31
by: DavidJR |
Do u guys make glacial acetic acid from 5% vinegar?
[rquote=627150&tid=154488&author=Cou]I prefer to use domestically available chemicals only, ... |
30-11-2019 at 04:56
by: DavidJR |
Preparation of Hydrazine Sulfate (Hofmann Degradation)
I did this using commercial 40% hydrazine hydrate. Use a slight excess of sulphuric acid to ensure c ... |
30-11-2019 at 04:38
by: DavidJR |
Removing coating in photo lenses
Why do you want to remove the coatings?
|
29-11-2019 at 13:11
by: DavidJR |
Legality discourse split from "4-Allylcatechol Methylenation"
[rquote=627089&tid=154251&author=stoichiometric_steve][rquote=601982&tid=154251&auth ... |
29-11-2019 at 13:04
by: DavidJR |
methylation of nucleophilic HN- with methyl iodide?
It definitely can. However, you will get a mixture of products as:
[list]
[*] It will not stop at ... |
27-11-2019 at 16:32
by: DavidJR |
Do u guys make glacial acetic acid from 5% vinegar?
[rquote=626868&tid=154488&author=j_sum1]Find out why ot is called [i]glacial[/i] acetic acid ... |
27-11-2019 at 16:22
by: DavidJR |
Diethylamine hydrochloride - Success!
Uhh... what? Why would it be at a lower pressure? |
27-11-2019 at 16:18
by: DavidJR |
What would the procedure for Benzidine to aniline look like?
I doubt there is an easy way to break that carbon-carbon bond.
Also, be careful with benzidine, ... |
26-11-2019 at 14:14
by: DavidJR |
Do u guys make glacial acetic acid from 5% vinegar?
That's an awful lot of work to get glacial acetic acid, which isn't all that expensive to just buy. ... |
26-11-2019 at 12:07
by: DavidJR |
(Successfully) Ordering from Sigma Aldrich in the UK
Yes, I have noticed that it was down... but it seems to be back up now. Not that I would order from ... |
25-11-2019 at 08:24
by: DavidJR |
Thionyl chloride from batteries
[rquote=626617&tid=154324&author=draculic acid69]So are all lithium metal batteries thionyl ... |
23-11-2019 at 08:21
by: DavidJR |
Do NH4OH and S React?
[rquote=626449&tid=154452&author=UC235]More brain dribble as usual AJKOER.[/rquote]
Implyin ... |
20-11-2019 at 03:28
by: DavidJR |
Thionyl chloride from batteries
Lithium thionyl chloride batteries are pretty rare and I would be thoroughly shocked to find them in ... |
13-11-2019 at 16:11
by: DavidJR |
Distilled, De-ionised or Tap water?
[rquote=624901&tid=154218&author=RedDwarf]
David, I'll probably go this route as it's much ... |
11-11-2019 at 19:57
by: DavidJR |
Sodium Borohydride 98% granules - EU - 150 EUR/1kg
[rquote=625685&tid=154281&author=woelen]Not if the material is in a glass bottle with a some ... |
8-11-2019 at 14:11
by: DavidJR |
Chemicals on sale! also trade
I'd potentially be interested in buying the following:
Methyl bromoacetate
Isatin
Pyrrolidine
... |
6-11-2019 at 15:29
by: DavidJR |
How to verify/identify sodium azide?
My nitrite is very slightly yellowish which seems to be normal, but I guess this could be impurities ... |
1-11-2019 at 14:59
by: DavidJR |
Silica gel for food packaging->silica gel for chromatography?
If grinding up silica gel, be sure to use appropriate respiratory protection. |
1-11-2019 at 12:17
by: DavidJR |
How to verify/identify sodium azide?
I haven't looked at it in a while but I'm pretty sure my sodium azide is pure white. I may be misrem ... |
1-11-2019 at 10:01
by: DavidJR |
Mercury/HNO3 incident
I would distill off most of the nitric acid before treating the residue - no need to waste it all. |
31-10-2019 at 12:30
by: DavidJR |
How to verify/identify sodium azide?
They aren't always sodium azide nowadays due to the extreme toxicity. |
31-10-2019 at 12:26
by: DavidJR |
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