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Containing iodine as liquid
If you ampule iodine under vacuum you can liquify it by heating. Depending on the vacuum it will liq ... |
3-7-2020 at 04:26
by: Tsjerk |
Precursors to um… something. Suggestions invited.
[rquote=639669&tid=155702&author=njl]I think the solubility is what would be driving the rea ... |
2-7-2020 at 07:59
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
I contacted the corresponding author of the Falkiner article and he told me that 300-350nm is the ta ... |
1-7-2020 at 11:29
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
The scale on that last graph is logarithmic, so absorption would be around 10% max indeed. |
1-7-2020 at 07:16
by: Tsjerk |
heptyl butanoate - fruity and little of chamomile scent
I like to use sand baths instead of oil baths, lot less smoke! |
1-7-2020 at 05:17
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
Well, the 85:5 methanol/water solvent system used by Falkiner et al. also absorbs significant amount ... |
1-7-2020 at 04:57
by: Tsjerk |
heptyl butanoate - fruity and little of chamomile scent
Nice prep, but please use a water or a sand bath next time, you don't want a big fire when the flask ... |
1-7-2020 at 03:39
by: Tsjerk |
Peroxide formation risk?
If there is a strong acid and peroxide present, yes. |
1-7-2020 at 03:32
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
I just realized they use a pyrex reaction for the photocyclization, which absorps anything below 275 ... |
1-7-2020 at 02:23
by: Tsjerk |
Making sodium isopropoxide - Sodium is not dissolving
Sodium isopropoxide is not that soluble in IPA, I'm pretty sure the white substance you see is your ... |
30-6-2020 at 23:41
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
In the article they state their lamp is inefficient for this process, and 300-350nm is the optimum.. ... |
30-6-2020 at 12:23
by: Tsjerk |
Soda Lime glass
The vase should be fine as long as you don't heat shock it or put very heavy liquids in it.
An al ... |
30-6-2020 at 02:14
by: Tsjerk |
Glyphosate Roundup Ban in the EU by the end of 2022
Not too much, but glyphosate is usually sold as the salt of isopropylamine which is quite hard to sy ... |
29-6-2020 at 05:27
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
[rquote=639439&tid=154884&author=Tdep]254nm is perfect, that's what you want. You want the e ... |
29-6-2020 at 00:21
by: Tsjerk |
Why is tin and HCl rxn so slow?
If you are planning to heat the HCl better dilute it to a little below 20%. That way the HCl fumes a ... |
28-6-2020 at 12:06
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
I found the perfect [url=https://www.proflamps.com/nl/nl/Producten/Medisch/Photo-Therapie/p/50000820 ... |
28-6-2020 at 09:31
by: Tsjerk |
An improved synthesis of aminoguanidine bicarbonate
Cool, I'm getting some guanidine bicarbonate soon. I will make some nitroguanidine via the nitrate o ... |
28-6-2020 at 06:49
by: Tsjerk |
Stoichiometry of the reaction of ascorbic acid and copper sulfate
Should be 1:1.
Ascorbic acid loses two electrons while forming dehydroascorbic acid. |
27-6-2020 at 10:49
by: Tsjerk |
Measuring pH
I use something like [url=https://www.grandado.com/products/ph-papier-5m?variant=6350523564064&c ... |
26-6-2020 at 14:00
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
For the fun of it, it would be nice to have a NMR spectrum with that specific cubane hydrogen peak. |
26-6-2020 at 11:01
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
[rquote=639215&tid=154884&author=DavidJR]
I think this is caused by the presence of methylt ... |
26-6-2020 at 01:39
by: Tsjerk |
laboratory inventory auction
[rquote=639194&tid=155654&author=Chemorg42]Wow, sounds like fun.
One of the few times I wis ... |
26-6-2020 at 01:03
by: Tsjerk |
KClO3 and H2SO4 reaction
[rquote=186621&tid=14354&author=condennnsa][rquote=185937&tid=14354&author=woelen]Th ... |
26-6-2020 at 00:45
by: Tsjerk |
Extracting Ephedrine from Ma hung tea
Google is your friend... UTFSE |
25-6-2020 at 12:06
by: Tsjerk |
Cubane; Dimethyl Cubane-1,4-dicarboxylate synthesis
I indeed vacuum distilled the ketal, of which I have plenty now. The bromination went fine as far as ... |
25-6-2020 at 01:02
by: Tsjerk |
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