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1998-01-20
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Demolition Article #1
By: King Arthur
Like all chemists I must advise you all to take the greatest
care and caution when you are doing this. Even if you have made
this stuff before.
This first article will give you information on making
nitroglyerin, the basic ingredient in a lot of explosives such as
straight dynamites, and geletin dynamites.
---------------------------------------
Making nitroglycerin
---------------------------------------
1. Fill a 75-milliliter beaker to the 13 ml. Level with
fuming red nitric acid, of 98% pure concentration.
2. Place the beaker in an ice bath and allow to cool below
room temp.
3. After it has cooled, add to it three times the amount of
fuming sulferic acid (99% h2so4). In other words, add to
the now-cool fuming nitric acid 39 ml. Of fuming sulferic
acid.
When mixing any acids, always do it slowly and carefully
to avoid splattering.
4. When the two are mixed, lower thier temp. By adding more
ice to the bath, about 10-15 degrees centigrade. (Use a
mercury-operated thermometer)
5. When the acid solution has cooled to the desired
temperature, it is ready for the glycerin. The glycerin
must be added in small amounts using a medicine dropper.
(Read this step about 10 times!)
Glycerin is added slowly and carefully (i mean careful!)
Until the entire surface of the acid it covered with it.
6. This is a dangerous point since the nitration will take
place as soon as the glycerin is added. The nitration
will produce heat, so the solution must be kept below 30
degrees centigrade! If the solution should go above 30
degrees, immediately dump the solution into the ice bath!
This will insure that it does not go off in your face!
7. For hte first ten minutes of nitration, the mixture
should be gently stirred. In a normal reaction the
nitroglycerin will formas a layer on top of the acid
solution, while the sulferic acid will absorb the excess
water.
8. After the nitration has taken place, and the
nitroglycerin has formed on the top of the solution, the
entire beaker should be transferred slowly and carefully
to another beaker of water.
When this is done the nitroglycerin will settle at the
bottem so the other acids can be drained away.
9. After removing as much acid as posible without disturbing
the nitroglycerin, remove the nitroglycerin with an
eyedropper and place it in a bicarbonate of soda (sodium
bicarbonate in case you didn't know) solution. The sodium
is an alkalai and will nuetralize much of the acid
remaining. This process should be repeated as much as
necesarry using blue litmus paper to check for the
presence of acid. The remaining acid only makes the
nitroglycerin more unstable than it already is.
10. Finally! The final step is to remove the nitroglycerin
from the bicarbonate. His is done with and eye- dropper,
slowly and carefully. The usual test to see if nitration
has been successful is to place one drop of the
nitroglycerin on metal and ignite it. If it is true
nitroglycerin it will burn with a clear blue flame.
** Caution **
nitro is very sensative to decomposition, heating dropping, or
jarring, and may explode if left undisturbed and cool.