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DDNP & related compounds: The über thread!
Just did another test to confirm the last test results. I carefully weighed out 2.0g of picric acid, ...
17-5-2014 at 12:13
by: Hennig Brand
2g of Picric Acid Initiated with 0.3g of DDNP & 0.05g of Lead Azide (Unreinforced Configuration)
This test was the same as the last test, where the lead azide was simply pressed on top of the DDNP, ...
16-5-2014 at 13:37
by: Hennig Brand
DDNP & related compounds: The über thread!
I posted it in the azides thread back in 2011 as well.

http://www.sciencemadness.org/talk/viewthr ...
16-5-2014 at 08:21
by: Hennig Brand
DDNP & related compounds: The über thread!
This file has already been attached in the azides thread, but it seems important enough to put here ...
15-5-2014 at 17:36
by: Hennig Brand
picramic acid from picric
[rquote=331158&tid=433&author=Praxichys]Why bother with the hydrocarbon/sulfur method to H2S ...
13-5-2014 at 10:26
by: Hennig Brand
Sulfur Trap Model
Here is my idea for a sulfur trap. The trap/vessel could be set in cold or iced water to aid sulfur ...
11-5-2014 at 17:34
by: Hennig Brand
DDNP & related compounds: The über thread!
Thanks for the good suggestions. Yes, it is true, you can only stay lucky so long. There will always ...
11-5-2014 at 11:55
by: Hennig Brand
2g of Picric Acid Initiated with 0.4g of DDNP & 0.1g of Lead Azide (Dry Mixed Primary & Unreinforced Configuration)
I got the density of the picric acid base charge back up to more or less what it was in earlier test ...
11-5-2014 at 10:43
by: Hennig Brand
DDNP & related compounds: The über thread!
I use the low temperature variety and push in a little wad of tissue in the casing over the primary ...
11-5-2014 at 07:32
by: Hennig Brand
2g of Picric Acid Initiated with 0.4g of DDNP & 0.1g of Lead Azide (Dry Mixed Primary & Unreinforced Configuration)

This test involved the initiation of 2g of picric acid without a reinforcing cap. Two grams of pic ...
11-5-2014 at 06:22
by: Hennig Brand
2g of Picric Acid Initiated with 0.4g of DDNP & 0.1g of Lead Azide (Unreinforced Configuration)
This test involved the initiation of 2g of picric acid without a reinforcing cap. Two grams of picri ...
11-5-2014 at 06:04
by: Hennig Brand
High Yield Sodium Picramate Synthesis - Experimental
Just to make sure that the results from the last synthesis were reproducible, and to get rid of the ...
30-4-2014 at 03:28
by: Hennig Brand
picramic acid from picric
I got the following equation, from the webpage linked to below which has fairly exhaustive informati ...
25-4-2014 at 14:06
by: Hennig Brand
picramic acid from picric
I was at a home improvement center a couple days ago and found some stone wool. It is very popular r ...
23-4-2014 at 13:58
by: Hennig Brand
2g of Picric Acid Initiated in 7.6mm id Al Tubing by 0.25g DDNP & 0.05g of Lead Azide Hand Pressed in Steel Reinforcing Cap
This test was performed with the same materials and in the same way as the last test except that 0.0 ...
23-4-2014 at 13:26
by: Hennig Brand
DDNP & related compounds: The über thread!
Thank you. So far I haven't done much for friction and impact testing, but I can tell you it takes a ...
23-4-2014 at 06:38
by: Hennig Brand
2g of Picric Acid Initiated in 7.6mm id Al Tubing by 0.30g of Hand Pressed DDNP in Steel Reinforcing Cap
The test was performed with the same materials and in the same way as the last test. The picric acid ...
22-4-2014 at 14:29
by: Hennig Brand
picramic acid from picric
[rquote=328105&tid=433&author=Rosco Bodine]
C14 alkanes bp is 250C and fp is 0C, C15 bp 270 ...
19-4-2014 at 03:06
by: Hennig Brand
Picric acid: different instructions
For a long time I was off and on questioning the purity of the picric acid I was producing from ASA. ...
17-4-2014 at 10:34
by: Hennig Brand
picramic acid from picric
Hydrogen sulfide reacts with copper and produces corrosion products. I didn't look into it in much d ...
17-4-2014 at 10:07
by: Hennig Brand
picramic acid from picric
I did notice a while back that the yield determination from the Hodgson and Ward article involved ti ...
17-4-2014 at 02:55
by: Hennig Brand
picramic acid from picric
Small Correction:
[quote]
This was what I wrote a couple of posts up. It should have said:

If ...
14-4-2014 at 13:01
by: Hennig Brand
picramic acid from picric
Well I will try to not get into one of those my primary is bigger than yours arguments, but anyway. ...
12-4-2014 at 16:27
by: Hennig Brand
picramic acid from picric
Thanks, this is definitely more like it for sure. And, once again, thanks for your help. With regard ...
12-4-2014 at 10:13
by: Hennig Brand
picramic acid from picric
Thanks for the good information on hydrogen sulfide. I guess I wasn't using nearly as much of an exc ...
12-4-2014 at 08:59
by: Hennig Brand
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