3、Early Chinese scientists discovered that they could make an explosive substance by mixing sulphur, charcoal and saltpeter.
6、Moreover, Taoists also tested other chemicals, such as saltpeter, nitrate and sulfur, and even extracted from stalactite to eat lime, sometimes causing ulcers.
4、"Saltpetre (or nitre also spelled saltpeter orniter):Transparent, colourless, or white powder or crystals of potassium nitrate (KNO3), found native in deposits."
2、Well, the British didn't let Chile sell saltpeter to Germany.
5、Venezuela's oil and gas, Brazil plateau iron, manganese, natural crystal, Guyana plateau north-eastern part of Suriname's bauxite Andes copper, saltpeter, such as justice.
1、From saltpeter mines in Chile.
