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New study shows red light exposure in mornings could help eyesight.
Hmmm. You mean the nutcases who recommend staring at the sun every sunrise and sunset weren't compl ... |
30-12-2021 at 19:32
by: DraconicAcid |
Chemical Garden
Sadly, the article doesn't give concentrations for the various media, but one could hunt down all th ... |
30-12-2021 at 13:35
by: DraconicAcid |
Question about Grignard reaction
[rquote=669381&tid=158228&author=karlos³]
@DraconicAcid: MTBE does work as a solvent for t ... |
29-12-2021 at 15:08
by: DraconicAcid |
Chemical Garden
I've never had much luck trying to make my own sodium silicate for water glass.
For the chemical ... |
29-12-2021 at 12:42
by: DraconicAcid |
Question about Grignard reaction
As a partially-related question....does glyme worth as the ether for a Grignard? I know that diethy ... |
29-12-2021 at 12:25
by: DraconicAcid |
Separation of toluene and isobutanol
Sodium will not react with toluene or other hydrocarbons (apart from alkynes, possibly)- when I as a ... |
27-12-2021 at 15:31
by: DraconicAcid |
Separation of toluene and isobutanol
[rquote=669281&tid=152919&author=DocX][rquote=669238&tid=152919&author=DraconicAcid] ... |
27-12-2021 at 13:46
by: DraconicAcid |
Vintage weighing scale
[rquote=669283&tid=158177&author=pneumatician]one is what balance range or can weigh and the ... |
27-12-2021 at 13:45
by: DraconicAcid |
Vintage weighing scale
[rquote=669277&tid=158177&author=pneumatician][rquote=669269&tid=158177&author=Draco ... |
27-12-2021 at 11:57
by: DraconicAcid |
Vintage weighing scale
[rquote=669266&tid=158177&author=pneumatician]
where is the problem? 200g x 0.001 mg for 20 ... |
27-12-2021 at 09:36
by: DraconicAcid |
Where does electromagnetic radiation come form?
The other way around would be excitation, which can be done thermally as well as through absorption ... |
26-12-2021 at 20:06
by: DraconicAcid |
Separation of toluene and isobutanol
If you want the last definitive step for removing all isobutanol from toluene, reflux it over sodium ... |
26-12-2021 at 20:01
by: DraconicAcid |
Where does electromagnetic radiation come form?
Your posts remind me of that old Star Trek episode where the alien woman is yelling, "Brain! Brain! ... |
26-12-2021 at 19:58
by: DraconicAcid |
The 2021 Christmas greeting thread
Merry Christmas, everyone! |
24-12-2021 at 09:20
by: DraconicAcid |
2021 Secret Santa - Sign up here
Pretty, pretty crystals.
It wasn't labelled anywhere at all?
[Edited on 21-12-2021 by DraconicAc ... |
21-12-2021 at 13:43
by: DraconicAcid |
How bad is the smell of thiols?
You can't buy bleach cheaply and easily in any grocery store? Any household cleanser containing hyp ... |
19-12-2021 at 12:55
by: DraconicAcid |
How bad is the smell of thiols?
Thiols are about as acidic as phenols (pKa around 10), so a sample of the thiolate will slowly absor ... |
19-12-2021 at 12:47
by: DraconicAcid |
A general Electrolysis Question!!!
[rquote=668853&tid=158193&author=Fulmen][rquote=668809&tid=158193&author=servo] If t ... |
18-12-2021 at 12:00
by: DraconicAcid |
FC Alkylation
No, I haven't. I did try alkylating acetanilide, but that simply didn't react.
zed: the melting ... |
17-12-2021 at 20:25
by: DraconicAcid |
A general Electrolysis Question!!!
To increase production, you want to increase amperage. You can do this by increasing voltage, or by ... |
16-12-2021 at 21:52
by: DraconicAcid |
Project: Making thionyl chloride from easy-to-get precursors
I'm very interested to learn if SCl2 could be used to convert an acid into an acid chloride.... |
15-12-2021 at 23:29
by: DraconicAcid |
Where to look for solubility data?
I generally use chemister.ru for solubility data, although it's not perfect by any means.
http:// ... |
14-12-2021 at 13:26
by: DraconicAcid |
Chemistry to do with thymol
Also, phenol can be converted to salicylic acid with carbon dioxide. You should be able to do a sim ... |
14-12-2021 at 12:28
by: DraconicAcid |
Drying agent- which one to choose?
Calcium chloride is good for non-polar organic stuff, but can really mess up alcohols or carboxylic ... |
14-12-2021 at 12:14
by: DraconicAcid |
2021 Secret Santa - Sign up here
I know that's not always the case. I ordered a book from Europe a number of years ago, and it cost ... |
5-12-2021 at 10:47
by: DraconicAcid |
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