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, 20:39, 29 October 2019
*''Other Names: potassium nitrate, niter, nitre, saltpetre''
*''Japanese'': 硝石 ''(shouseki)''
Saltpeter, also known as nitre or potassium nitrate, is a compound key to the production of [[gunpowder]].
Though the [[Ming Dynasty|Ming]] and [[Qing Dynasty|Qing]] courts forbade the shipping overseas of saltpeter and certain other materials of military value, significant amounts of saltpeter regularly entered ports in Vietnam, [[Ryukyu Kingdom|Ryûkyû]], and elsewhere.<ref>Craig Lockard, “‘The Sea Common to All’: Maritime Frontiers, Port Cities, and Chinese Traders in the Southeast Asian Age of Commerce, Ca. 1400–1750.” Journal of World History 21, no. 2 (2010): 236-237.; Uezato Takashi 上里隆史. "Ryûkyû no kaki ni tsuite" (琉球の火器, "The fireweapons in the Ryukyus"). Okinawa Bunka 沖縄文化. vol. 36:1, no. 91 (July 2000), 77.</ref>
Some [[han|domains]], such as [[Morioka han]], occasionally presented volumes of saltpeter to the [[Tokugawa shogunate]] as formal gifts, on ceremonial occasions.<ref>Ishin Shiryô Kôyô 維新史料綱要, vol 1 (1937), 345.</ref>
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==References==
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[[Category:Economics]]
[[Category:Arms and Armor]]