title: [Comparative study on pesticide and heavy metal residuals of four cultivars of Chrysanthemum morifolium].
abstract: OBJECTIVE
  To study organochlorine pesticide and heavy metal residuals of Chrysanthemum morifolium.
  
  
  METHODS
  The contents of organochlorine pesticide residuals was determined by chromatography, Cu, Pb, Cd was determined by AAS, and As, Hg was determined by AFS.
  
  
  CONCLUSIONS
  The contents of organochlorine pesticide and heavy metals residuals are up to "Green Trade Standards of Importing & Exporting Medicinal plants & Preprations" (MOFTEC, 2001), but the contents are different among four cultivars clearly.
authors.affiliation: Institute of Chinese Medicinal Materials, Nanjing Agricultural University, Nanjing 210095, Jiangsu, China.
authors.forename: Li
authors.initials: L
authors.lastname: Liu
authors.forename: Qiao-sheng
authors.initials: QS
authors.lastname: Guo
authors.forename: Qiong
authors.initials: Q
authors.lastname: An
authors.forename: Feng
authors.initials: F
authors.lastname: Zhu
authors.forename: Xian-yuan
authors.initials: XY
authors.lastname: He
authors.forename: Wen-bin
authors.initials: WB
authors.lastname: Xu
mesh_terms: D002104:Cadmium / Q000032:analysis; D002681:China; D031202:Chrysanthemum / Q000737:chemistry* / Q000254:growth & development; D003300:Copper / Q000032:analysis; D003634:DDT / Q000032:analysis; D017753:Ecosystem; D035264:Flowers / Q000737:chemistry; D001556:Hexachlorocyclohexane / Q000032:analysis; D007854:Lead / Q000032:analysis; D008628:Mercury / Q000032:analysis; D019216:Metals, Heavy / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D010946:Plants, Medicinal / Q000737:chemistry* / Q000254:growth & development
chemical_list: D019216:Metals, Heavy; D010573:Pesticide Residues; D002104:Cadmium; D007854:Lead; D001556:Hexachlorocyclohexane; D003300:Copper; D003634:DDT; D008628:Mercury