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Silvering Failures and Waste Disposal
Aga, if you have "Ag crud to reprocess" then the chemicals seem to be working. It excludes them from ... |
11-9-2015 at 11:18
by: Pumukli |
SO3 from pyrosulfate and H2SO4
Ferric sulfate is used in my vicinity in waste water treatment plants to make Fe-hydroxy-flakes to h ... |
11-9-2015 at 10:25
by: Pumukli |
What to do with tryptamine?
Is methyl-oxalate a methylating agent?
I think it would rather acylate the primary amine yielding ... |
11-9-2015 at 02:44
by: Pumukli |
Zinin Reaction (Aniline synthesis) Experimental test Report
Hello gboneu,
Nice experiment!
I am surprised that iron produced such bad results though. Isn't ... |
10-9-2015 at 21:39
by: Pumukli |
Help with indole to substituted tryptamines.
Thanks Thaekross, I went on a mandatory field trip in the morning after posting my 2 cents, but had ... |
6-9-2015 at 05:21
by: Pumukli |
Help with indole to substituted tryptamines.
Unfortunately I can't give either corrections or suggestions but have a question. :-)
How come az ... |
5-9-2015 at 21:39
by: Pumukli |
Sodium carbonate peroxyhydrate
It is used on textiles, to remove stubborn stains. In the toilet it may not be that effective. |
4-9-2015 at 00:24
by: Pumukli |
boron trifluoride etherate synthesis?
Yes, it is surely doable.
In fact, I've seen org.prep. recipes where the authors suggested doing so ... |
3-9-2015 at 03:29
by: Pumukli |
Sodium carbonate peroxyhydrate
Regarding your original question, whether percarbonate is a mixture or a compound I found a few note ... |
2-9-2015 at 12:42
by: Pumukli |
Amidation
Hello,
There is a probably well known reaction between esters and ammonia (or primary or secondar ... |
31-8-2015 at 11:12
by: Pumukli |
Sodium carbonate peroxyhydrate
Xfusion44, very good topic!
I recently found out that this compound is available locally and is rel ... |
29-8-2015 at 11:08
by: Pumukli |
Uric acid from urine
It doesn't hurt, but e.g. dogs would be in trouble because in their body the final stage of oxydatio ... |
23-8-2015 at 07:20
by: Pumukli |
Uric acid from urine
The actual process is something like this:
You are a living "thing" and in your cells lots of par ... |
22-8-2015 at 03:44
by: Pumukli |
Uric acid from urine
I'm fairly sure I used HCl in those days simply because 1, I did not have sulphuric acid and 2, I ha ... |
19-8-2015 at 21:53
by: Pumukli |
Uric acid from urine
Your failure refuelled my interest in this experiment.
Yesterday I tried it: 120 ml wee, 15ml bat ... |
19-8-2015 at 10:41
by: Pumukli |
My work on the Lead Electrode
Refining lead from 60/40 solder seems too much work for me. I mean there is too much effort involved ... |
19-8-2015 at 10:26
by: Pumukli |
Uric acid from urine
Sometimes I hardly got any crystals from a "batch", sometimes I got plenty.
I think it depends on ( ... |
16-8-2015 at 02:03
by: Pumukli |
Uric acid from urine
That's it, man! :-)
Yes, now I remember that the acidic mixture gets darker with time, gets brown ... |
15-8-2015 at 13:24
by: Pumukli |
Uric acid from urine
Unionised: there certainly are other things as well. The crude uric acid crystalls look like sand, i ... |
14-8-2015 at 19:44
by: Pumukli |
Uric acid from urine
I'm curious how many SM members have tried to precipitate uric acid from well, yes, urine!?
It is ... |
13-8-2015 at 06:49
by: Pumukli |
CCl4 Alternative ?
CCl[sub]4[/sub] has a bit higher boiling point than methylene chloride does. It may cause problems i ... |
9-8-2015 at 05:40
by: Pumukli |
Questions about red lead iodide...
If OP had a few drops of non water-miscible organic solvent then he could extract the iodine and ver ... |
7-8-2015 at 11:26
by: Pumukli |
Need help with BaSO4..
The trick may be in the temperature setting. Above 100 C the sulphate to carbonate conversion is rep ... |
7-8-2015 at 01:40
by: Pumukli |
Questions about red lead iodide...
In the 3rd comment he (she) said starch did not turn blue from the red solution. So I doubt it was i ... |
7-8-2015 at 01:24
by: Pumukli |
Questions about red lead iodide...
Yes. |
5-8-2015 at 10:49
by: Pumukli |
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