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DDNP & related compounds: The über thread!
This is not exactly what you are asking about but seems somewhat related and interesting



[fi ...
8-5-2014 at 09:29
by: Rosco Bodine
historical variations as alternative methods
There is a patent US1460708 which describes a variation of a much older method of producing DDNP rep ...
7-5-2014 at 01:21
by: Rosco Bodine
picramic acid from picric
Your observation about the geometric increase in cross sectional area pertinent to the aspect of "cl ...
27-4-2014 at 08:44
by: Rosco Bodine
picramic acid from picric
Those last couple of references show that lampblack carbon is catalytic and lowers the reaction temp ...
23-4-2014 at 15:33
by: Rosco Bodine
C.T.M.T.N.A (R-salt)
3-5 years under mild storage conditions
19-4-2014 at 10:35
by: Rosco Bodine
picramic acid from picric
Maybe next time you run your H2S generator, try white mineral oil instead of vaseline and see if the ...
19-4-2014 at 05:45
by: Rosco Bodine
picramic acid from picric
Stainless is passivated by H2S according to what I understood from a brief description I read in an ...
17-4-2014 at 10:57
by: Rosco Bodine
picramic acid from picric
I have been looking at the various schemes for H2S generators to see what can be done as the most ea ...
17-4-2014 at 06:04
by: Rosco Bodine
picramic acid from picric
[rquote=327657&tid=433&author=Hennig Brand]Found some more good stuff for hydrogen sulfide g ...
14-4-2014 at 14:37
by: Rosco Bodine
hydrated protosulphide of iron
Here is a bit of interesting information from antiquity. Everyone knows about the basic chemistry s ...
13-4-2014 at 21:40
by: Rosco Bodine
picramic acid from picric
Yes weight for weight DDNP may be half as good as Pb(N3)2 but the same weight of DDNP requires a sub ...
12-4-2014 at 11:25
by: Rosco Bodine
picramic acid from picric
Really good results you have there, and the yield at 95% is about what I was guessing it should be. ...
12-4-2014 at 10:02
by: Rosco Bodine
picramic acid from picric
Excellent to have the Hodgson and Ward ambiguity sorted out. I had an idea further that the reactio ...
11-4-2014 at 22:19
by: Rosco Bodine
picramic acid from picric
Here are some patents of interest

US1689014

US1765660

US1878950
10-4-2014 at 14:30
by: Rosco Bodine
picramic acid from picric
It is actually the physical nature of the gelatinous hydroxide which would likely be a hinderance fo ...
10-4-2014 at 08:23
by: Rosco Bodine
picramic acid from picric
Looking at this now I am beginning to favor my original impression that the Hodgson and Ward descrip ...
9-4-2014 at 16:27
by: Rosco Bodine
A deeper look into the Zinin reaction
There is some more analysis I have done in reviewing this topic and looking at my old notes. Mower t ...
8-4-2014 at 03:42
by: Rosco Bodine
Moderator Abuse
Perhaps the quote came to him while his head was nestled between the thighs of a writhing lonely Fre ...
6-4-2014 at 16:04
by: Rosco Bodine
C.T.M.T.N.A (R-salt)
That information was from PATR and identified as a possible error / misprint. I never tested the re ...
6-4-2014 at 15:03
by: Rosco Bodine
C.T.M.T.N.A (R-salt)
What exactly is "stabilized" R-salt ? Please be more specific.
6-4-2014 at 12:36
by: Rosco Bodine
Moderator Abuse
“A little learning is a dangerous thing.
Drink deep, or taste not the Pierian Spring;
There shal ...
6-4-2014 at 09:59
by: Rosco Bodine
picramic acid from picric
Most of what we are discussing recently is review from files already saved years ago. Because of th ...
5-4-2014 at 22:06
by: Rosco Bodine
picramic acid from picric
No, but I wish my other priority chores were out of the way so I could do the experiments. One aspe ...
5-4-2014 at 07:47
by: Rosco Bodine
picramic acid from picric
If you look at the relative "power" of the different sulfides as a Zinin reducing agent the reducing ...
4-4-2014 at 19:02
by: Rosco Bodine
picramic acid from picric
The hydrosulfide ion works fine as the principal reducing agent but if used alone appears to be yiel ...
4-4-2014 at 16:36
by: Rosco Bodine
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