Alfred Nobel became very interested in glyceryl trinitratee and how it could be put down to practical use in construction work. He too realized that the safety problems had to be solved and a order had to be developed for the controlled detonation of nitroglycerin. In the United States he visited John Ericsson, the Swedish-American engineer who had developed the screw propeller for ships. In 1852, Alfred Nobel was asked to come back and work in the family enterprise which was golden because of its deliveries to the Russian army. To ragher with his father he performed experiments to develop nitroglycerin as a commercially and technically useful explosive. As the war ended and conditions changed, Immanuel Nobel was again forced into bankruptcy. Immanuel and two of his sons, Alfred and Emil, go forth St. Petersburg together and returned to capital of Sweden. His other two sons, Robert and Ludvig, remained in St. Petersburg. With some difficulties they managed to excuse the family enterprise and then went on to develop the oil industry in the southern part of the Russian empire. They were very winning and became some of the wealthiest persons of their time. (Comptons)
After his return to Sweden in 1863, Alfred Nobel concentrated on exploitation nitroglycerin as an explosive.
Several explosions, including one (1864) in which his familiar Emil and several other persons were killed, convinced the authorities that nitroglycerin issue was exceedingly dangerous. They forbade further experimentation with nitroglycerin within the Stockholm city limits and Alfred Nobel had to move his experimentation to a barge anchored on Lake MÃ¤laren. Alfred was not discouraged and in 1864 he was able to start mass production of nitroglycerin. To make the handling of nitroglycerin safer Alfred Nobel experimented with different additives. He soon found that mixing nitroglycerin with silica would turn the liquid into a paste...
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