吉林省西部典型高氟区土壤及蔬菜氟分布特征和污染评价

  • 打印
  • 收藏
收藏成功


打开文本图片集

关键词:氟形态;氟迁移;苏打盐碱化土壤;富集系数;污染评价中图分类号:X53;X825 文献标志码:A 文章编号:1672-2043(2025)09-2296-09 doi:10.11654/jaes.2024-0892

Abstract:Teiofthisseahistoexploretheelatishipetweenfuorefractioninsoilandcontentinvegetabesinteste JiliProviceefluoiedistrbuioofvegetablsinigfuoieareaswillbgaspdesultanprovideteoecaluportfor efectiveuseofagriculturallandandsafeproductionofvegetables.67vegetablesamplesof12typesandtheirzospheresoilsamples, andeightwildplantsamplesoffourtysasontrolswerecolctedfroQian'anountyatypialhighfuorineareainteteJilin Province.Thefuonecontetsinzospersoilandegeablesereanalyd,andteirahiskasevauatedusingthect coficentateoltiodex.sultssoeatalfluoie(T-),watesolubleuoi(Ws-F)hangebleuE F),iron-manganseboudfuoe(FeMn)gacallundfuoi(Or)andresidualfuoeRs)ioseil 202.79-319.12,1.45-9.89,3.49-21.25,6.95-25.72,1.78-5.16 mg kg-1 , and 174.67-289.97 mg·kg-1 ,respectively, with an average values of 242.74, 4.42, 7.63,12.77, 3.50mg⋅kg-1 and 214.41mg⋅kg-1 ,respectively.Its average content of Ws-F was 1.77 times that of surface soilin fluorosisareas,which wasrelated tothe higherlevel of pH andHCO3 content insoda saline-alkali soils.The content of biologically availablefluorne(Ef-)washigeadingtofuodemoreasilytranferedfrosoiltoegeables.Thfuorinecontentingeables ranged from 0.21 mg·kg-1 to 8.89mg⋅kg-1 .The order of fluorine content and enrichment coefficients in different parts was leaves>fruits.It wasmoredetailedinteoderoffuityvegetables>leafvegetables>fruits.ereasasignificantlypositiverelatioshipetweefuoin in vegetables and Ws-F in the soil except eggplants.Fluorine content in 40.00% of the tested vegetables exceeded the national standard(1 mg kg-1 ).Theresultsofhealthriskassessmentindicatedthatbiterletuceposedacertainrisktochildren'shalth.Thecontentof Ws-F andEx-Finsodasaline-alkalisoilwashighanditsbioavailabilitywasstrong,whichcausedthefluorinecontent insomevegetables excedingthenationalhealthstandards.Fruityvegetableswithlowerfluorineenrichmentcoeffcientarerecommendedtobeplantedto decline fluoride health risks.

Keywords:fluorinespeciation;fluorine migration;sodasaline-alkalisoil;enrichmentcoeficient;contaminationevaluation

吉林省西部早在1964年就被确定为北方典型干旱、半干旱饮水型潜水高氟地氟病区,当地患氟斑牙、氟骨病的病人较多。(剩余16291字)

monitor
客服机器人