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Electric matches, uniform resistance of bridge wires and reliability in series firing
So here is my thermal analysis of Bert's chart of no-fire/all-fire/arc regions.
I fit a power law ... |
14-3-2018 at 08:32
by: roXefeller |
Electric matches, uniform resistance of bridge wires and reliability in series firing
Those capacitor designed detonators surely must have sensitive first fires. Which I find somewhat c ... |
10-3-2018 at 15:39
by: roXefeller |
Electric matches, uniform resistance of bridge wires and reliability in series firing
[quote]
For that money, your caps are ACCURATELY made, also several varieties contain their own s ... |
10-3-2018 at 12:57
by: roXefeller |
Electric matches, uniform resistance of bridge wires and reliability in series firing
[quote]
To be absolutely fair, the bridgewires of an e-match have to be smaller, and develop high ... |
9-3-2018 at 19:44
by: roXefeller |
Electric matches, uniform resistance of bridge wires and reliability in series firing
Typically when I read the blasters handbook, there is a number of detonators that causes a need for ... |
8-3-2018 at 17:13
by: roXefeller |
Electric matches, uniform resistance of bridge wires and reliability in series firing
Bert, did you get any details about what pyrogen they were moving to toward that end? Or what ignit ... |
5-3-2018 at 14:41
by: roXefeller |
Dinitroresorcinol preparation
Knowing how hydrogen bonds affect physical melting mechanisms, how would you predict the change in m ... |
1-3-2018 at 07:56
by: roXefeller |
Dinitroresorcinol preparation
I ran a test last night. 121mg of what I think is sodium salt was dissolved completely in water, wa ... |
1-3-2018 at 04:00
by: roXefeller |
What is the point of amateur chemistry?
[quote]
and everytime i make something he asks me quite annoyed "what's its purpose now?" well i ... |
27-2-2018 at 09:14
by: roXefeller |
Would you invest in a stirrer hot plate as a noob, or just start with a regular hot plate?
Another vote for stirring hotplate. I bought a cheap one from amazon. I killed the heating element ... |
27-2-2018 at 08:04
by: roXefeller |
Dinitroresorcinol preparation
[quote]
Once hydrolyzed the acetate will not reform in diluted solutions, the precipitate on the ... |
27-2-2018 at 05:21
by: roXefeller |
Dinitroresorcinol preparation
After testing some mg quantities of the tan precipitate, I do believe that it is dinitroresorcinol d ... |
26-2-2018 at 14:28
by: roXefeller |
Resorcinyl diacetate lab workup
60g resorcinol
316 ml water
79g NaOH
180g Acetic anhydride, Ac2O
In 500ml beaker stirred in ic ... |
16-2-2018 at 18:53
by: roXefeller |
Dinitroresorcinol preparation
I've got a theory question if you could answer. With the presence of the acetate ester acting to re ... |
16-2-2018 at 04:19
by: roXefeller |
Dinitroresorcinol preparation
I've repeated the workup again with two differences. First I used 0.12g urea. Second I combine the ... |
15-2-2018 at 09:44
by: roXefeller |
Dinitroresorcinol preparation
The red substance in the ethyl acetate isn't reacting to pH. I've put it in 50% H2SO4 and again in ... |
15-2-2018 at 06:39
by: roXefeller |
Dinitroresorcinol preparation
So a funny thing happened on the way to the forum. I was studying patent 4745232 in order to prepar ... |
14-2-2018 at 06:37
by: roXefeller |
Do you think it is immoral to steal chemicals and equipment?
I wouldn't compare the solder to workplace time-fraud. He was a paying student at university, likel ... |
13-2-2018 at 08:24
by: roXefeller |
Do you think it is immoral to steal chemicals and equipment?
Stealing is stealing. It stains you if you take something you didn't earn, even if you think it hur ... |
12-2-2018 at 10:00
by: roXefeller |
Resorcinyl monoacetate
So looking at resorcinyl acetate also brings up the possibility of a diacetate that isn't there for ... |
11-2-2018 at 13:10
by: roXefeller |
Resorcinyl monoacetate
The only thing I can find for the acetate solubility is 25g/L. That leaves around 6g in the aqueous ... |
10-2-2018 at 18:12
by: roXefeller |
Resorcinyl monoacetate
I considered that too so I added 20ml of ethanol, but it didn't make an appreciable change. Given t ... |
10-2-2018 at 15:51
by: roXefeller |
Resorcinyl monoacetate
I attempted an acetate ester today. I can't find much information on resorcinyl monoacetate but a f ... |
10-2-2018 at 12:21
by: roXefeller |
DDNP & related compounds: The über thread!
[rquote=506191&tid=439&author=nitro-genes]After some experimentation it seems possible to us ... |
7-2-2018 at 14:12
by: roXefeller |
most appropriate material to topple tree
By Dr Liptakov's description, that NM gel will probably need a booster beyond the low power caps tha ... |
7-2-2018 at 03:10
by: roXefeller |
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