Guncotton Manufacture

Guncotton Manufacture


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Manufacture of guncotton in 19th century France. Cotton is immersed in a solution of nitric and sulphuric acid to convert the cellulose in the cotton to nitrocellulose (cellulose nitrate), a highly inflammable compound. This eventually became the main ingredient in modern gunpowder, replacing the saltpetre, and was an essential component of the earliest man-made fibres and plastics. After immersion the acids are recovered using a press. The nitrocellulose is then thoroughly washed before drying otherwise it would be dangerously unstable.

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