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Need help identifying a strange product...
I can't answer our question exactly but I read a paper once (its posted on this site somewhere) were ...
27-2-2018 at 22:12
by: Boffis
Dinitroresorcinol preparation
roXefellor, have you tried recrystallizing a little of the diol from boiling water? I would expect t ...
27-2-2018 at 01:42
by: Boffis
Microchemical Tests and Reagents
Sorry I accidently missed out the second "di" from diethyldithiocarbamate and it is prepared from ca ...
26-2-2018 at 11:07
by: Boffis
Need help identifying a mysterious product.
The tuff passing through your gloves is almost certainly residual DCM, its notorious for this. As to ...
26-2-2018 at 04:12
by: Boffis
Microchemical Tests and Reagents
Back in the late 70 and 80s a British chemical supplier called BDH supplied solutions of Diethylammo ...
26-2-2018 at 02:33
by: Boffis
Microchemical Tests and Reagents
There you go byko3y! I wasn't that hard after all was it? I am trying to keep his thread focus on th ...
24-2-2018 at 02:22
by: Boffis
What is the point of amateur chemistry?
Amateur science can go where ever its practitioner wishes to go, only limited by his resources, skil ...
23-2-2018 at 13:09
by: Boffis
Microchemical Tests and Reagents
Sigh....

Gentlemen, while the points you have made above are interesting and some are relevant to ...
23-2-2018 at 12:18
by: Boffis
Microchemical Tests and Reagents
Actually I was thinking more along the lines of small scale chemistry as a means of investigating co ...
22-2-2018 at 12:41
by: Boffis
Dinitroresorcinol preparation
@byko3y, That paper from the Analyst is very interesting and is certainly enigmatic but here the nit ...
22-2-2018 at 01:10
by: Boffis
Acid Chlorides
Thanks guys for these papers, some very interesting and useful chemistry.
21-2-2018 at 23:35
by: Boffis
Microchemical Tests and Reagents
Is there anyone out there interested in microchemistry as applied to semi-quantitative and purely qu ...
21-2-2018 at 23:25
by: Boffis
Gallium (III) Chloride
How similar is gallium chloride to aluminium chloride?

What I am getting at is there a big differ ...
21-2-2018 at 09:32
by: Boffis
Practical chemistry
In Vogel's text book he calls them Group IIIA and Group IIIB and basically you need a significant ex ...
20-2-2018 at 11:00
by: Boffis
Identifying unlabeled molecular sieves?
@Bert,

I've been doing a bit of reading and it seems that the three main types, 3, 4, and 5A mole ...
20-2-2018 at 04:24
by: Boffis
Dinitroresorcinol preparation
The only problem with the Lieberman reaction idea is that it requires nitrous acid or nitrite proxy ...
15-2-2018 at 00:45
by: Boffis
Preparation of 1,4-Dibromobutane
Experiment 3
I have just completed the work up on a repeat of the above experiment but using a mola ...
13-2-2018 at 13:23
by: Boffis
Nitroguanylurea
Hi kmno4, actually the term Diciandiamidina (=dicyandiamidine) is synonymous with guanylurea. As you ...
12-2-2018 at 13:39
by: Boffis
Preparation of Succinic Acid
Interesting observation; the blue residue from recrystallising the first crop of succinic acid was m ...
12-2-2018 at 12:58
by: Boffis
2 Questions about Glyoxal
1. no idea, but since commercial glyoxal is an aqueous solution (40% glyoxal usually) I think it hig ...
12-2-2018 at 08:15
by: Boffis
Preparation of Succinic Acid
Chromic oxidation of butanediol continued

I tried an ether extraction of the chromic sulphate sol ...
9-2-2018 at 15:12
by: Boffis
Dealing with NO2 fume residues in vessels.
This thread raised an interesting idea. When silver dissolves in strong nitric acid roughly half the ...
7-2-2018 at 08:15
by: Boffis
Nitroguanylurea
When guanidine and urea nitrates are treated with ice cold concentrate sulphuric acid they are conve ...
6-2-2018 at 08:12
by: Boffis
Piperidine from the hydrolysis of piperine
A word of warning.
I just bought some more 95% piperine extract from an ebay supplier in India. It ...
6-2-2018 at 03:16
by: Boffis
Preparation of Succinic Acid
@Magpie; some years ago now I bought a job lot of old chemicals from a guy on ebay, when I went to p ...
3-2-2018 at 14:32
by: Boffis
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