title: [FeS2 changes in ignited pyritum].
abstract: FeS2 changes in Pyritum during igniting process were studied systematically by comparing Pyritum ignited under different conditions in terms of S content, Fe content, yielding ratio of ignited product and appearance features. Calcined Pyritum samples purchased from various parts of China were also compared in regard to their quality.
authors.affiliation: Institute of Chinese Materia Medica, China Academy of Traditional Chinese Medicine, Beijing.
authors.forename: T L
authors.initials: TL
authors.lastname: Li
authors.forename: W J
authors.initials: WJ
authors.lastname: Jiang
authors.forename: C
authors.initials: C
authors.lastname: Li
authors.forename: Y L
authors.initials: YL
authors.lastname: Ma
authors.forename: J
authors.initials: J
authors.lastname: Yang
mesh_terms: D006358:Hot Temperature; D007501:Iron / Q000032:analysis / Q000737:chemistry*; D008419:Materia Medica / Q000737:chemistry*; D011786:Quality Control; D013440:Sulfides / Q000737:chemistry*; D013455:Sulfur / Q000032:analysis*
chemical_list: D008419:Materia Medica; D013440:Sulfides; C011342:pyrite; D013455:Sulfur; D007501:Iron