Trace Elements in Explosive Azides

Impurities may have a profound effect on the chemical and physical properties of primary explosives. Of particular importance are metals, such as copper, that sensitize lead azide. An increased knowledge of the effect of impurities on explosive properties emphasizes the need for accurate determinations of these impurities. 

For instrumental analysis explosive azides must be converted to the chlorides or nitrates using semiconductor-grade acids. The sample is dissolved in semiconductor-grade nitric acid and ashed. The lead nitrate is then analyzed using flame, emission, X-ray, or mass spectroscopy neutron activation analysis or X-ray 

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