白毛牛繁育基地天然牧草重金属的含量调查  

Investgation of heavy-metal contents of natural pasturage in white yak breeding pasture

作　　者：翟育忠[1] 何晓军[1] 胡萍[1] 曲莉[1] 

机构地区：[1]甘肃省疾病预防控制中心,兰州730000

出　　处：《中国卫生检验杂志》2009年第5期1128-1129,共2页Chinese Journal of Health Laboratory Technology

摘　　要：目的：天祝白毛牛繁育基地天然牧草重金属的含量评估。方法：食品理化检验GB/T5009.12.11.15-2003。结果：干牧草,Pb含量3.34-3.58 mg/kg;As含量0.20-1.18 mg/kg;Cd含量0.09-0.25 mg/kg。鲜牧草,Pb含量0.78-4.86 mg/kg;As含量0.005-0.20 mg/kg;Cd含量0.04-0.11 mg/kg。结论：白毛牛繁育基地牧草重金属含量较低。Objective：To evaluate the heavy -metal contents of the natural pasturage in the white yak breeding pasture of the Tianzhu tibet municipal county. Methods： The detection was performed according to GB/TS009. 12. 11.15 - 2003. Results： The contents of the Pb,the As,the Cd, separately, 3.34 -3.58 mg/kg, 0. 20 - 1.18 mg/kg, 0. 09 -0. 25 mg/kg in the dry pastur- age. The contents of the Pb, the As, the Cd, separately, 0. 78 - 4. 86 mg/kg, 0. 005 - 0. 20 mg/kg, 0. 04 - 0. 11 mg/kg in the verdure pasturage. Conclusion ：The heavy- metal contents of the natural pasturage are lower in the white yak breeding pasture.

关 键 词：白毛牛 牧草 重金属 测定 

分 类 号：R155[医药卫生—营养与食品卫生学]