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The chemistry of Sorbic acid
Not particularly helpful, but with reference to the original post, here is what one of the thiobarbi ...
26-1-2021 at 16:22
by: UC235
making fused quartz at a lower tenperature using silica gel
A similar idea is how the material called Vycor is produced. A very alkali-rich borosilicate glass i ...
25-1-2021 at 17:26
by: UC235
Does methanol smell like anything to you?
[rquote=653706&tid=156525&author=njl]I always buy klean strip denatured fuel alcohol as a so ...
25-1-2021 at 15:01
by: UC235
Preparation of 3,4,5 trimethoxyphenylpyruvic acid
It seems like the benzoic acid substantially complicates the purification. Would starting from acety ...
24-1-2021 at 20:21
by: UC235
KCl or KHCO3 / K2CO3 from KNO3
KCl is often available extremely cheaply as water softener salt. I'm not sure how common this is in ...
24-1-2021 at 17:59
by: UC235
Ethylene Glycol from Antifreeze
Even the "concentrate" antifreeze contains some water. Be sure to discard the forerun. There's also ...
22-1-2021 at 18:06
by: UC235
Preparation of furfural from cherry gum and other pentose sources
When I attempted to produce furfural from ribose I found that the conversion to furfural seemed to b ...
2-1-2021 at 07:44
by: UC235
Reduction mechanism
SET is single-electron transfer. Bulk metallic zinc (with an active surface maintained by the acetic ...
25-12-2020 at 11:22
by: UC235
Campa-chem original as formaldehyde source?
You do know that formalin normally contains 10-15% methanol to limit polymerization of the formaldeh ...
25-12-2020 at 11:08
by: UC235
Is it normal to get low yields all the time, or am I a bad organic chemist?
Depends what you're doing and scale. Mechanical losses on small preparations can cause large drops i ...
24-12-2020 at 20:54
by: UC235
I need help finding the very bane of roaches existence...
Wood roaches do not actually live or breed indoors and need moist environment (ie: outdoors) but end ...
10-12-2020 at 17:50
by: UC235
P-nitrobenzoic acid reduction pH level question
I'm sure you can use more dilute ammonia for the initial neutralization. Another benefit to using am ...
2-12-2020 at 20:44
by: UC235
P-nitrobenzoic acid reduction pH level question
Hydrous tin oxide is soluble in excess NaOH forming sodium stannate.

Acetic acid is used to redu ...
2-12-2020 at 20:17
by: UC235
Absolute volume of vessels?
Glassware is all over the place in my experience. I have 100ml flasks that are probably 80ml and I h ...
2-12-2020 at 15:15
by: UC235
Benzaldehyde via cassia oil unexpected hiccup
I'd say excessively basic solution might be causing a Cannizzaro reaction that is resulting in benzy ...
25-10-2020 at 14:19
by: UC235
Preparation of chlorobenzene from sodium dichloroisocyanurate (NaDCC)
No need for iron powder. Some extra fine steel wool degreased with hexane or acetone beforehand make ...
16-10-2020 at 15:45
by: UC235
Caution: Making bromine from TCCA and ammonium bromide does not work

Scroll down a bit. TCCA r ...
30-8-2020 at 05:27
by: UC235
How to extract DINP from vinyl & hydrolyze to phthalic acid
Isononyl should be almost indistinguishable from 2-ethylhexyl as far as processing the gloves goes. ...
18-8-2020 at 14:25
by: UC235
How is yeast dried so its viable when re-hydrated
[rquote=642589&tid=155972&author=wg48temp9]I did find a few home brewing/baking sites that c ...
9-8-2020 at 04:39
by: UC235
Suggestions for glass joint-grease that won't get stuck after vacuum distillations?
[rquote=642168&tid=154424&author=draculic acid69]How do you remove grease from the joints af ...
6-8-2020 at 19:02
by: UC235
Uranyl acetate to nitrate
If the uranyl acetate is already pure, just boil it with an excess of nitric acid. The displaced ace ...
8-7-2020 at 19:25
by: UC235
Single displacement reaction for lead?
[rquote=639611&tid=155414&author=Refinery]Is there a viable method to separate Cu acetate an ...
2-7-2020 at 02:52
by: UC235
Stoichiometry of the reaction of ascorbic acid and copper sulfate
To avoid under-reduction and formation of Cu(I) species, I would advise a generous excess of ascorbi ...
27-6-2020 at 19:56
by: UC235
How to reduce oximes to amines?
If you really want to smell it and not actually isolate it, just buy some roundup (make sure it's gl ...
27-6-2020 at 19:52
by: UC235
Mysterious orange-brown residue inside used glassware
[rquote=638993&tid=155644&author=SWIM]I've used 10% bleach soaking on a few mystery deposits ...
22-6-2020 at 15:42
by: UC235
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