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Type: Posts; User: drtoivowillmann

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  1. Replies
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    I think, you can...

    Dear Friend:

    Make a slurry with distilled water. Control the pH with some indicator paper. Add Sodium Bicarbonate (very cheap, please, not in excess!) until neutral or above pH7,0.
    Pour it into a...
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    Phosphorus, even the red one, always is...

    Phosphorus, even the red one, always is contaminated by some phosphor oxide (P2O5), a very, very hygroscopic material.
    It becomes phoshoric acid and continues hygroscopic.
    Mix it with a little...
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    Black Powder Substitute Patented in Brazil

    Dear Friends:

    O myself patented a good Black Powder substitute, advantages:
    * no sulphur, less smell of fumes,
    * less residues and less corrosive residues in muzzle loader firearms (still used...
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    Brazilian Matitor match. Yous truly: Toivo

    Brazilian Matitor match.

    Yous truly: Toivo
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    Thanks, Chris! I am a professional. As...

    Thanks, Chris!

    I am a professional. As graduated Chemist and PhD is my job to develop new, more beautiful or safer formulas.
    But sometimes science allone does not resolve my problem and I...
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    Well, I am listening... Yours truly: Toivo

    Well, I am listening...

    Yours truly: Toivo
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    Dear Big Mark: Unfortunately you do not give...

    Dear Big Mark:

    Unfortunately you do not give us any detail about your driver composition, nor nozzle, nor core length (if core burner), nor if you press or ramm dry or humid the driver...
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    Dear Knightmare: The only question is: which...

    Dear Knightmare:

    The only question is: which Flash-Powder has been used in those devices?
    * The most common: only Potassium Perchlorate and Pyro-Aluminium, but nothing else is indefinitely...
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    Dear Bgreen: Coloured smokes are easy to make,...

    Dear Bgreen:

    Coloured smokes are easy to make, but the choice of your oxidants is wrong; neither Nitrate nor Perchlorate, but have to use the "beast": Potassium Chlorate, about 25 % to 30 % of...
  10. almost blocked

    * Linseed oil or used engine oil from cars also work, but they are not volatile at all and remain completely in the produced dark aluminum.
    * In the EU (European Community) selling of pyro-chemicals...
  11. Dear Friend: I have professionally dealt with...

    Dear Friend:

    I have professionally dealt with milling of Aluminum into dark powder.
    I see two main dangers, which might lead to spontaneous combustion:
    - Impurity of prime matter. Aluminum hat...
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    Comets with coloured microstars

    Dear Friends:

    Cylindrical comet-stars, made of coloured micro-stars, embedded in a black-powder-like matrix, anyone of you dealt with it ?

    Yours truly : Toivo Willmann
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    Annex: WARNING! for amateurs: amateurs like...

    Annex: WARNING!
    for amateurs: amateurs like Possium Chlorate. You may combine Potassium Chlorate with Potassium Perchlorate, but NEVER with Ammonium Perchlorate. Ammonium Chlorate would be formed....
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    Less trouble with Potassium Perchlorate

    Dear Friend:

    * Ammonium Perchlorate ist incompatible with Potassium Nitrate. It is transformed into Ammium Nitrate + Potassium Perchlorate. Ammonium Nitrate with atmospheric moisture transformes...
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    You are right.

    Dear Friend:

    I hope you will enjoy your fiest.
    You are absolutely right: like the pharmaceutical industry does its medical pills.

    Your truly: Toivo willmann
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    Dear Friends: this is no joke! In the time of...

    Dear Friends:

    this is no joke!
    In the time of communism in the former GDR the "VEB Silberhütte" did so, with success. In Spain , it seems to me that Ricardo Caballer also is using this technique....
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    Pill press for coloured stars

    Gentlemen:

    My name is Dr. Toivo Willmann and I am a professional manufacturer (empoyee, not a factory owner) from Germany.
    If got some practical trouble.
    Who, my friends has any practical...
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