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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 |
Preparation of Succinic Acid
Since I have a fair amount of chromium trioxide and very little nitric acid I decided to try oxidizi ... |
2-2-2018 at 12:51
by: Boffis |
Synthesis of Oxygen Absorbing Crystal (from cobalt)
Clearly_not_atara: I didn't know there was such a difference between carboxamides and sulphonamides. ... |
26-1-2018 at 13:38
by: Boffis |
Synthesis of Resorcinol
Hi roXefeller:
I can't answer your question but I know a man who can:
http://dlx.b-ok.org/gene ... |
25-1-2018 at 14:54
by: Boffis |
Preparation of 1,4-Dibromobutane
OK here is a revised procedure on a larger scale with pictures:
Experiment 2
165g of sodium b ... |
25-1-2018 at 04:12
by: Boffis |
Synthesis of Oxygen Absorbing Crystal (from cobalt)
@clearly_not_atara; I looked at the link above and I have to say I don't see any support for your id ... |
24-1-2018 at 13:00
by: Boffis |
Synthesis of Oxygen Absorbing Crystal (from cobalt)
@halogen; I didn't have any picoline at the time I started though I was keeping an eye open for it a ... |
22-1-2018 at 12:36
by: Boffis |
Synthesis of Oxygen Absorbing Crystal (from cobalt)
@Xiomy; if you are doing this in a university surely there is someone you can ask and presumably you ... |
21-1-2018 at 07:11
by: Boffis |
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