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picramic acid from picric
[rquote=325845&tid=433&author=Hennig Brand]It still seems logical that having the reducing a ... |
4-4-2014 at 10:49
by: Rosco Bodine |
picramic acid from picric
Yeah I posted that US2346550 patent earlier on the preceding page about 8 posts down. I have a scre ... |
3-4-2014 at 17:01
by: Rosco Bodine |
picramic acid from picric
My guesstimate of two thirds conversion of the Na2S appears to be in the ball park. That was just o ... |
3-4-2014 at 12:22
by: Rosco Bodine |
picramic acid from picric
The relationship of Na2S and NaHS is the same as the relationship of Na2CO3 and NaHCO3 or Na2SO4 and ... |
3-4-2014 at 08:26
by: Rosco Bodine |
picramic acid from picric
[rquote=325516&tid=433&author=Hennig Brand]The first attachment "Communications” is a very ... |
3-4-2014 at 06:51
by: Rosco Bodine |
picramic acid from picric
There is a difference in the pH which is needed for the Zinin reaction to be favored depending upon ... |
2-4-2014 at 08:49
by: Rosco Bodine |
picramic acid from picric
Here are some additional references that may help untangling the mystery. The page 78 from the funda ... |
1-4-2014 at 12:12
by: Rosco Bodine |
picramic acid from picric
It is a convoluted imprecise description article that could have been written better, and it becomes ... |
31-3-2014 at 07:57
by: Rosco Bodine |
picramic acid from picric
I think you are misreading what is an admittedly awkward, unclear and confusing description of the " ... |
30-3-2014 at 19:15
by: Rosco Bodine |
picramic acid from picric
The "black mess" probably contained the desired sodium picramate product which you failed to recogni ... |
29-3-2014 at 16:39
by: Rosco Bodine |
picramic acid from picric
No you are still not understanding. The Na2S forms first when you are gassing NaOH with H2S and is ... |
28-3-2014 at 18:59
by: Rosco Bodine |
picramic acid from picric
I don't think the NaHS is the issue causing your reduced yields or that using an excess of H2S will ... |
28-3-2014 at 14:25
by: Rosco Bodine |
Ammonium nitrate mixtures
[img]http://www.rumormillnews.com/pix3/spoonfeed.jpg[/img] |
28-3-2014 at 09:12
by: Rosco Bodine |
picramic acid from picric
[rquote=324256&tid=433&author=Rosco Bodine]Ferrous sulfate is cheap and safe.
9 moles Fe ... |
27-3-2014 at 09:26
by: Rosco Bodine |
picramic acid from picric
The use of ferrous sulfate is reported but using a different method. The use of the sodium picrate ... |
25-3-2014 at 18:08
by: Rosco Bodine |
picramic acid from picric
Ferrous sulfate is cheap and safe.
9 moles FeSO4 solution and 18 moles NH4HCO3 or NH4OH or perha ... |
25-3-2014 at 09:22
by: Rosco Bodine |
picramic acid from picric
The purity of the picramic acid used as the precursor for production of the DDNP could be important. ... |
25-3-2014 at 05:23
by: Rosco Bodine |
picramic acid from picric
Here is a merged and reduced file size
The Solubility of Picric Acid in Mixed Solvents - Part I ... |
23-3-2014 at 20:43
by: Rosco Bodine |
picramic acid from picric
If you have the entire journal article please post the pdf. Thanks.
I have speculated it may be ... |
23-3-2014 at 12:21
by: Rosco Bodine |
DDNP & related compounds: The über thread!
Maybe for government financed research getting data correct within one or two orders of magnitude is ... |
12-3-2014 at 20:32
by: Rosco Bodine |
DDNP & related compounds: The über thread!
Interesting how the data for tetryl charted in the Matayas book and imported from Grant and Tiffany ... |
12-3-2014 at 16:15
by: Rosco Bodine |
DDNP & related compounds: The über thread!
Silver Azide has been tested in mixture with DDNP and no decomposition issue was noted and that pote ... |
12-3-2014 at 08:23
by: Rosco Bodine |
DDNP & related compounds: The über thread!
I don't know what is the compatibility issue which may be there or how significant it may be. There ... |
11-3-2014 at 14:07
by: Rosco Bodine |
DDNP & related compounds: The über thread!
I suspect there is a binary mixture or a coprecipitate of DDNP which will improve its accelleration ... |
11-3-2014 at 09:16
by: Rosco Bodine |
DDNP & related compounds: The über thread!
What is interesting to me is there is a chemical aspect to initiation which will cause a particular ... |
10-3-2014 at 14:47
by: Rosco Bodine |
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