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Laboratory of Liptakov
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Due to ongoing research in the field of primary substances, I am publishing 2 more compositions, this time based on a mixture of KClO3 + Sodium
Benzoate.
Fig. 1 shows the prepared assembly for the 1st test. Fig. 2 then shows a mixture that was created by simply mixing the 3 components with the help of
distilled water and evaporating it. At cca 70 C.
 
Fig. B3 shows the complete assembly before firing. A 6/8 mm x 50 steel tube is filled with 300 mg of pressed ETN as the output segment. This is
followed by 10 mg of slightly densified ETN. This is followed by a mixture of 150 mg of ETN + 150 mg of the investigated substance in a 1:1 ratio of
low density which is pressed around the electric bridge.
Fig. B5 shows the resulting crater on a lead block. The standard crater from 300mg ETN at full detonation in this (and earlier) setup is typically 14
- 16 mm in diameter, with a depth of 4.5 - 5.5 mm. The resulting crater therefore corresponds to the full detonation of 300 mg of high density ETN.
Fig. B6 shows the setup for the second firing attempt. The only difference is in the mixture around the resistor bridge, which does not contain ETN.
Around the igniter there is only a mixture of KCLO3 75, Na benzoate 25 and CuOH 1. From the experiment it is clear that a failure occurred in Fig. B7.
 
Fig. B9 shows the mixture for the 3rd experiment. Here a different mixture was used. KClO3 75 + NaBenzoate 25 + CuO 1 were mixed in a stainless steel
pan using distilled water and the mixture was dried at 60 C. Then, using acetone, 6 parts by weight of nitrocellulose (with a high nitrogen content of
about 13%) and 3 parts of ETN were added. The mixture was processed into 1x1 mm granules. Fig. B 10 shows a ready-to-detonate assembly containing 300
mg of hi pressed ETN, 10 mg of low pressed ETN, and 300 mg of the described (investigated) mixture around a resistance bridge of low pressed. Fig.
11 shows the full detonation of ETN.
  
Conclusion: If a thick steel cavity is used for ETN initiation, it is possible to use alternative primary substances based even on ordinary KClO3 +
suitable fuel. Basic observed behavior of the examinated substances: Impact sensitivity:.....same as safety match heads. Friction sensitivity: Failed
to cause explosion. Flame sensitivity: Burns similar to gunpowder with loud sputtering.....
Development of primarily - secondary substances CHP (2015) Lithex (2022) Brightelite (2023) Nitrocelite and KC primer (2024)
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Laboratory of Liptakov
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Another interesting substance is a mixture of hexamine di-perchlorate with potassium chlorate. According to the damage to the lead brick, a rough
estimate of the VoD of around 4000 m/s in a steel cavity at a high pressed density of around 1.5 g/cc is possible. This mixture can reliably detonate
ETN in a solid cavity. The preparation is simple. In a stainless steel pan, dissolve HDP 40% + KClO3 60% in a small amount of distilled water and dry
at 80 Celsius. A white non-hygroscopic powder is formed. The crater in the picture is from 300 mg of this mixture in the sense of the output segment
with an estimated density of 1.4 - 1.6 g/cc. The same 300mg mixture with a low density of around 1g/cc was used as a starting hot wire segment.
Potentially, this substance can be used as a relatively cheap secondary charge with the possibility of plasticization....
Development of primarily - secondary substances CHP (2015) Lithex (2022) Brightelite (2023) Nitrocelite and KC primer (2024)
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pjig
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Can you test this comp ina aircraft aluminum capsule to see if it can get similar results as the steel cavity ? Any chance you tested the co-
precipitate mix for its capacity to act as a primary?
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Laboratory of Liptakov
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1....In aluminium cavity will results always weaker. For clarity and comparison, the same cavity is always used in this thread. That is, structural
steel 6/8 x 50 mm. For boosters, 8/10 x 22 mm. There are many amateur researchers who use a different cavity and a different material as a target for
almost every experiment. And even a different weight of filling. The result is only confusion in the results.
2...Any co-precipitates will probably not be tested. The emphasis in this thread is on making the preparation as simple as possible. A co-precipitate
requires precipitation from solution, often with the help of another reagent. And then additional isolation steps follow.
Development of primarily - secondary substances CHP (2015) Lithex (2022) Brightelite (2023) Nitrocelite and KC primer (2024)
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pjig
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Yes agreed. In industry cost is the main factor in production. Amateur world is a little different(doing what it takes despite the cost) , but keeping
costs low is goal for more production. Hense aluminum being a more economical solution. Not that it’s better in its efficiency , but end costs.
The co-precipitated material is pretty simple on this kclo4, ferricyanide dichromate catalyzed comp. IPA alcohol is the crash liquor, very intimate
mixture and very energetic for a perchlorate em. If you are getting kclo3 comps to push etc to det, I’m pretty sure this simple comp will probably
work in your steel caps
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Laboratory of Liptakov
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Posts: 1405
Registered: 2-9-2014
Location: Technion Haifa
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Thanks, ferricyanide looks interestling it will tested sometimes....
Development of primarily - secondary substances CHP (2015) Lithex (2022) Brightelite (2023) Nitrocelite and KC primer (2024)
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