Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno

Elisabeth Schonewille

Christoffel Adrianus Van Driel

Arnold Barend Leeuwenburgh

Adriana Petronella Martina Leenders

A composition for generating smoke, consisting essentially of at least one chlorine compound having a chlorine content of at least 56% by weight of the chlorine compound, and a mixture of at least one metal oxide and at least one metal. The metal oxide is an alkaline-earth metal oxide and the metal is an alkaline-earth metal. The molar fraction of alkaline-earth metal, based on the total number of moles of alkaline-earth metal and alkaline-earth metal oxide, is between 0.33 and 0.67. Preferably, the chlorine compound is hexachloroethane. Also preferably, the molar fraction of the mixture of alkaline-earth metal and alkaline-earth metal oxide in the composition is between 0.37 and 0.91. The alkaline-earth metal comprises particles having an average size of 50-100 &mgr;m and particles having an average size of 150-300 &mgr;m.

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Haarlem, Netherlands

Elisabeth Schonewille