金华地区饲料中铅、镉的检测

通过对金华地区多家饲料生产厂家所生产的饲料进行抽样调查,利用原子吸收分光光度计测定了饲料中铅、镉的含量。结果表明,所测饲料原料样品中,铅、镉的含量完全符合国家标准规定,合格率100%;铅、镉含量分别在0.005~0.157 mg/kg和0.06~0.104 mg/kg范围内,铅含量最高的是玉米为0.157 mg/kg,最低的是蚕豆为0.005 mg/kg;镉含量最高的是骨粉为0.104 mg/kg,最低的是豌豆和蚕豆为0.006 mg/kg。金华市饲料中铅、镉含量符合国家饲料卫生标准,可以安全喂养牲畜。

Assay of Lead and Cadmium Content of Feedstuff in Jinhua

Based on an investigation covered some feed produced by factory in Jinhua, lead and cadmium content in feed, was determined by atomic absorption spectrophotometer. The results showed that the content of lead and cadmium in feed raw material samples meet the national standard regulation, 100% on gauge. The lead content of feed with 0. 005 - 0. 157 mg/kg, and the content of cadmium in feed raw material sample within 0. 006 - 0. 104 mg/kg. The lead content of maize was highest being 0. 157 mg/kg, the minimum were the broad bean about 0. 005 mg/kg. The cadmium contents of bone flour was the most high about O. 104 mg/kg, the minimum were the pea and the broad bean about O. 006 mg/kg. Lead and cadmium content accord with country feed hygienic standard in Jinhua, can be safe raising to livestock. At the same time, have brought forward the lead and cadmium pollution precautionary measure.