Indoor fireworks

Ammonium picrate is used in the so-called indoor fireworks which burn with but little smoke and without the production of objectionable odor. On page 71 some of the compositions recommended by Tessier24 for Bengal lights are tabulated. 

Non-medicinal Preparations. These include a variety of preparations such as sweetener tablets, fertiliser tablets, stink bombs, indoor fireworks, and slug pellets. 

While compliance with a British Standard does not of itself confer immunity from legal obligations, the net effect to the consumer or spectator has been a reassuring increase in the standard of safety of both the fireworks and the people responsible for them. The current trend towards organised displays has not been at the expense of the availability of garden or indoor fireworks, however, and the increasing legislation is mainly the concern of those in the industry who are involved with the importation, manufacture, retail or safe operation of fireworks. 

During the troubles in Northern Ireland only indoor-type fireworks could be purchased without a special license. Analysis of particles originating from the use of indoor-type fireworks showed only a few spherical particles the majority was large irregularly shaped flakes. The elements aluminum, barium, chlorine, chromium, iron, potassium, sulfur, and antimony were detected, all of which were at a major level. 

Colored Fires for Indoors.. 2119. 4c. iron Sand for Fireworks.2105 Quick Match.2060... 

Hexamer.hylenctctraminc may be substituted for charcoal, shellac dextrin, or sugar in pyrotechnics, especially in fireworks for indoor display. Charred woodmeal or sawdust may also be used. 

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