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Concentrating nitric acid and peforming nitration using succinic anhydride
Succinic and phthalic anhydrides are very weak dehydrating agents relative to sulfuric acid. Further ...
3-11-2019 at 14:25
by: UC235
Preparation of cinnamalacetone
Vanillylideneacetone is an undergraduate prep. I have done it several times. There are also several ...
28-10-2019 at 18:47
by: UC235
Preparation of cinnamalacetone
Note 2 here has a prep of dicinnamalacetone based off of a 1885 Chem. Ber. paper. Having gone that r ...
25-10-2019 at 16:07
by: UC235
Need help filtering PABA
They used ammonia because it buffers the solution. If you add too much NaOH, you make PABA sodium sa ...
23-10-2019 at 18:02
by: UC235
Should 99.99% mercury contain slag? [Update from seller]
You can just let it drip through a pinhole in a folded filter paper. The oxides stick to the paper a ...
19-10-2019 at 06:29
by: UC235
Need Help Separating different isomers of Halogenated Benzene Compounds
I've done this in total synthesis form from mononitration of p-toluidene in sulfuric acid, CuBr Sand ...
1-10-2019 at 17:07
by: UC235
Make Cobalt Chloride from Cobalt Metal?
I just left some Co metal from ebay in excess hardware store 31.4% HCl for like a week as it was a s ...
29-9-2019 at 18:37
by: UC235
selective extraction of DL-methylbenzylamine instead of fractional crystallisation
If it works on amphetamine, it should work fine on 1-PEA. might have to adjust concentrations but sh ...
28-9-2019 at 19:42
by: UC235
selective extraction of DL-methylbenzylamine instead of fractional crystallisation
I did 1-PEA resolution with tartaric acid as an undergraduate experiment. There's probably a j chem ...
28-9-2019 at 14:33
by: UC235
Lichen Dye Chemistry: Orcein
I actually have 3 jars going right now, attempting to produce litmus. I'm using smooth rock tripe, U ...
24-9-2019 at 14:48
by: UC235
benzoic acid to benzoyl chloride ; non benzotrichloride route to hippuric acid
Ingestion of benzoate salts results in excretion of hippuric acid in the urine. It is possible to pr ...
14-9-2019 at 12:55
by: UC235
Feasibility of preparing copper phthalocyanine at home
[rquote=622409&tid=153743&author=Arcaeca]Well, I have PVC-coated cotton gloves sitting in ho ...
7-9-2019 at 17:31
by: UC235
Steam distillation of mint - not working?
Mint is routinely steam distilled for production of the essential oil. I think you're wildly underes ...
30-8-2019 at 19:33
by: UC235
Separation of toluene and isobutanol
Why are we boiling with sulfuric acid? Toluene is sulfonated under such conditions. As a protonatabl ...
9-8-2019 at 14:54
by: UC235
solubility of filter paper im phosphorus trichloride/1,1,2,2-tetrachloroethane
You're introducing a mixture containing chlorinating agents for hydroxyl groups and powerful, water- ...
14-7-2019 at 20:26
by: UC235
why am i getting precipitation?!?!
If citrate solubilizes the precipitate, that would mean the solid is a poorly soluble borate salt an ...
8-7-2019 at 19:52
by: UC235
Why do Ca(NO3)2 fertilizers contain NH4NO3 but not others?
Because it's usually the double salt 5Ca(NO3)2•NH4NO3•10H2O which is not classed as an oxidizer ...
7-7-2019 at 08:48
by: UC235
Cellulase enzyme
Trichoderma reesei is the typical laboratory source from which commercial cellulase is produced. The ...
2-7-2019 at 16:56
by: UC235
Wet ether
I would probably rough-dry ether with anhydrous MgSO4, then use something like powdered Na-Pb alloy ...
21-6-2019 at 16:34
by: UC235
How accurate are solution density measurements?
Graduated cylinders are really not very accurate. Density is quite temperature-dependent. Do you kno ...
19-6-2019 at 17:47
by: UC235
Synthesis for hydrolaxamine to ketamine
There's always the hilarious chance OP bought hydroxylamine.
12-6-2019 at 18:39
by: UC235
Is there an alternative to dioxane yet for thermochemical sodium production?
I've not found dioxane too hard to make. Buy concentrated walmart brand antifreeze, add sulfuric aci ...
27-5-2019 at 19:35
by: UC235
Future-gazing: available now, restricted tomorrow?
Where have you started getting weaker bleach? Bleach has actually gone up from 5% to 8.25% here. Cha ...
26-4-2019 at 13:51
by: UC235
Why is tin(II) chloride used as indicator for precious metals?
It reduces pretty much all the precious metals rapidly and has a tendency to form colloidal particle ...
23-4-2019 at 14:10
by: UC235
Saccharide (?) Synthesis
As long as your HCl is clean, it shouldn't contaminate the product in any way. I diluted 31.45% pool ...
22-4-2019 at 18:17
by: UC235
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