[DOC] [TLE] Niter - Wikipedia [PAR] Niter, or nitre ("chiefly British variant"), is the mineral form of potassium nitrate, 
KNO3, also known as saltpeter or saltpetre. Historically, the term "niter" was not 
well differentiated from natron, both of which have been very vaguely defined but 
generally refer to compounds of sodium or potassium joined with carbonate or 
nitrate ... Niter was used to refer specifically to nitrated salts known as various 
types of... [DOC] [TLE] Potassium nitrate - Wikipedia [PAR] Potassium nitrate is a chemical compound with the chemical formula KNO3. It is 
an ionic salt of potassium ions K+ and nitrate ions NO3, and is therefore an 
alkali metal nitrate. It occurs as a mineral niter and is a natural solid source of 
nitrogen. Potassium nitrate is one of several nitrogen-containing compounds 
collectively referred ... Potassium nitrate, because of its early and global use and 
production, has... [DOC] [TLE] Potassium nitrate - Wikiquote [PAR] Potassium nitrate (KNO3) is a chemical compound containing the elements ... It 
occurs naturally as the mineral niter. ... saltpeter may also refer to any of several 
nitrogen-containing compounds. ... It is one of the major constituents of 
gunpowder (blackpowder) and has been used since the Middle Ages as a food 
preservative. [DOC] [TLE] nitre - Memidex dictionary/thesaurus [PAR] "nitre" definition: used especially as a fertilizer and explosive. ... usually refers to 
the mineral form of potassium nitrate, it may also refer to a variety of other... [DOC] [TLE] saltpetre | chemical compound | Britannica.com [PAR] Saltpetre, also spelled Saltpeter, also called Nitre, or Niter, any of three naturally 
... In former times, the demand for saltpetre as an ingredient of gunpowder led to 
the ... Potassium nitrate was used at one time in many different diseased ... sal 
ammoniac but also saltpetre, they nevertheless failed to discover the mineral 
acids. [DOC] [TLE] niter - definition and meaning - Wordnik [PAR] niter: A white, gray, or colorless mineral of potassium nitrate, KNO3, used in ... n. 
A mineral form of potassium nitrate used in making gunpowder. ... A salt (KNO3), 
also called saltpeter, and in the nomenclature of chemistry potassium nitrate. n. ... 
TMI exposition slam Gawker ran about a one-niter O'Donnell had two years ago. [DOC] [TLE] potassium nitrate (CHEBI:63043) - European Bioinformatics Institute [PAR] May 19, 2014 ... It occurs as a mineral niter and is a natural solid source of nitrogen. Potassium 
nitrate is one of several nitrogen-containing compounds collectively referred to as 
saltpeter or saltpetre. ... It is one of the major constituents of gunpowder (
blackpowder) and has been used since the Middle Ages as a food... [DOC] [TLE] Potassium Nitrate | Facebook [PAR] Join Facebook to connect with Potassium Nitrate and others you may know. ... It 
occurs as a mineral niter and is a natural solid source of nitrogen. ... The mineral 
nitratite also named Peru saltpetre or Chile saltpetre (American Peru saltpeter or 
... [2] This was used for the manufacture of gunpowder and explosive devices. [DOC] [TLE] Geology and History of Confederate Saltpeter Cave - Virginia ... [PAR] But niter was not Virginia's only important mineral contribution to the Confederacy 
(Boyle, 1936). ... Potassium nitrate is the key ingredient of gunpowder, but ... 
writings from about 2200 or 2 100 B.C. refer not only to saltpeter but also to black 
saltpeter, ... feet depth in one of Virginia's large saltpeter caves in Bath County. [DOC] [TLE] Caveman to Chemist Projects: Gunpowder [PAR] Consequently the ingredients of gunpowder, especially sulfur and saltpeter, have 
had ... Saltpeter, or niter, is the common name for potassium nitrate. ... potassium 
nitrate, and calcium nitrate, depending on the other minerals present in the soil. 
.... Many oxidizing agents could be used but one of the best is a compound we... [DOC] [TLE] How Urine Can Be Used to Make Gunpowder (and Other Interesting ... [PAR] Apr 22, 2013 ... Gunpowder is comprised of 75% potassium nitrate, 15% charcoal and 10% sulfur
. ... poo)

Question: Also referred to as potassium nitrate or niter, this mineral was once used in gunpowder
Answer: saltpeter