title: [Various methods of processing pyritum].
abstract: Five methods of processing pyritum and the effect of temperature fluctuations on processed products were studied using Fe2+ in the decoction, sulphur in processed products and sulphur separated out of processed products after adding hydrochloric acid as indexes. The results may serve as a reference for further study on pyritum.
authors.affiliation: Beijing College of Traditional Chinese Medicine.
authors.forename: X
authors.initials: X
authors.lastname: Li
authors.forename: C
authors.initials: C
authors.lastname: Shi
authors.forename: X
authors.initials: X
authors.lastname: Cui
mesh_terms: D006358:Hot Temperature; D007501:Iron / Q000032:analysis; D008419:Materia Medica / Q000737:chemistry*; D013455:Sulfur / Q000032:analysis; D013678:Technology, Pharmaceutical / Q000379:methods; D013696:Temperature
chemical_list: D008419:Materia Medica; D013455:Sulfur; D007501:Iron