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Chrome alum from chromate oxidation residues
Over the years I have used a fair bit of one chromate/bichromate or another and after removal of the ...
6-2-2026 at 10:22
by: Boffis
Preparation of Ketones by Calcium salt Pyrolysis
Hi Guys, thanks for the comments. I have already thought about most of these possibilities. Its actu ...
26-1-2026 at 02:56
by: Boffis
how remove filter paper from phthalic acid
The best way is probably to dissolve the phthalic acid in a alkali like sodium carbonate solution, f ...
23-1-2026 at 09:35
by: Boffis
Preparation of Ketones by Calcium salt Pyrolysis
The final work up from ~4.5 Moles of butanoic acid was 156g of heptanone and about 30ml of higher bo ...
22-1-2026 at 11:31
by: Boffis
Preparation of Ketones by Calcium salt Pyrolysis
It’s been a will since I was active in may lab due to the pressures of work and family but I am no ...
17-1-2026 at 05:06
by: Boffis
DIATOMACEOUS EARTH 101
Products called diatomaceous earth are usually pretty much the raw product and usually contains some ...
24-9-2025 at 03:42
by: Boffis
Urea to Ammonia using urease
Before the Haber process came along ammonia was prepared from urine or sewage by adding burnt lime ( ...
26-8-2025 at 06:19
by: Boffis
Guanidine from urea and ammonium sulfate.
Hi Junurita, welcome to the madhouse! I can't answer your question definitively but I can say that t ...
8-8-2025 at 13:08
by: Boffis
Detection of perchlorate in chlorate
Looking at Feigl and Anger's "Spot tests in inorganic chemistry" page 183, it looks like the best te ...
8-8-2025 at 02:06
by: Boffis
Ketonic Decarboxylation of Citraconate
I can't answer your question definitively but it is possible. Your "cyclohexadiene-1,4-dione" is usu ...
14-6-2025 at 04:05
by: Boffis
3,3’-Diamino-5,5’-bis(1H-1,2,4-triazole) and Derivatives
[rquote=700799&tid=161052&author=dettoo456]This article references the use of citric acid fo ...
2-6-2025 at 11:01
by: Boffis
the lost indole synthesis
c_n_a, I have read the attached paper and can't quite see your point. The authors, in the experiment ...
13-5-2025 at 12:48
by: Boffis
Acetaldehyde synthesis
I have an old bottle that claims to be acetaldehyde from Aldrich Chemicals its 20 years old. It is n ...
18-4-2025 at 04:10
by: Boffis
Help with synthesis of substituted pyridine: 5-Bromo-6-Methyl-Nicotinic Acid.
I think you need to consult "Chemistry of Heterocyclic Compounds Vol 14 Pyridine and Its Derivatives ...
18-4-2025 at 03:28
by: Boffis
Double bond ox. cleavage to aldehyde with CuO
@Keras, does styrene nitrate in the 2 position of the benzene ring? Do you have a reference for this ...
7-4-2025 at 09:53
by: Boffis
Hexachlorocyclopropane
Agh.. Having now read the paper you referenced above, I see that it answers most of my question abou ...
5-4-2025 at 05:53
by: Boffis
Synthesising thymol blue
Hi Keras, have you seen this SM thread:-

[url]http://www.sciencemadness.org/talk/viewthread.php?t ...
4-4-2025 at 11:56
by: Boffis
Hexachlorocyclopropane
Interesting chemistry! When I read your account I notice that you let it stand for "10 months" over ...
4-4-2025 at 11:48
by: Boffis
Furfurylidene acetone
Two more "failed" attempts to produce furfurylidene acetone with different conditions /alkalis also ...
23-3-2025 at 15:13
by: Boffis
Furfurylidene acetone
Has anyone any experience of the reaction of acetone and furfuraldehyde? I tried to produce furfuryl ...
16-3-2025 at 12:01
by: Boffis
Mixed cobalt oxide
Again, I suggest you try using a mixture of hydroen peroxide and acid. The hydrogen peroxide acts as ...
12-3-2025 at 03:20
by: Boffis
Bouveault Aldehyde Synthesis Procedure?
Maul3, Gallica, the french national digital library is your friend! If its out of copyright you can ...
7-2-2025 at 07:59
by: Boffis
chlorates and perchlorates in australia
If you search this board you will find numerous references to potassium chlorate from household blea ...
5-2-2025 at 01:33
by: Boffis
Best way to get green nickel oxide into solution ?
Have you tried adding a little hydrogen peroxide? This certainly assists in the dissolution of Co an ...
29-1-2025 at 08:44
by: Boffis
The Pfitzinger Reaction
@ AvBaeyer, Yes I always allow the initial intense purple deprotonate isatin solution to fade to pal ...
22-1-2025 at 22:49
by: Boffis
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