当前位置: 饲料 > 营养成分 > 方案详情

混合饲料中Co元素检测方案(原子吸收光谱)

检测样品 饲料

检测项目 营养成分

关联设备 共0种 下载方案

方案详情

直接固体进样测试混合饲料中的Co,样品不需要消解,极大得减少了分析时间和成本。研磨并且干燥后直接加入石墨炉中进行分析测试,线性和精密度均能满足测试要求,通过合适的背景校正技术,去除干扰。得到满意的测试结果

智能文字提取功能测试中

analytikjenaAGanalytical solutionsAA_SS_19_98_e 12/98 Summary of Analytical Results Determination of Zn and Co in mixed feed with the AAS 5 solid Sample preparation Prior to the analysis, the samples were homogenized by means of a MM2000vibratory mill (Agate mill beaker) for 15 minutes. Method parameters Element 入[nml TPyro[℃] T「Atom[℃] RampAtom[℃/s] Remarks Zn# Co 307.6242.5 5501050 1800 2100 1500 2000 alternative wavelengthalternativewavelength # Purging with argon in atomization step, valve position: MIN (0.1I/min) Element Slit width 「nm] Lamp current [mA] Zn 0.8 6.0 Co 0.2 9.5 Calibration Zinc: Calibration with solid standard (certified reference material BCR 60;aquatic plants; variation of weighed portions) 313 mg/kg zinc Cobalt: Calibration with solid standard (certified reference material IAEA 336;lichens; variation of weighed portions) 0.29 mg/kg cobalt Results Direct Solids GF-AAS Direct Solids GF-AAS Element Sample Mean value [ug/g] RSD [%] Zinc Chicken starter feed Breeding feed 172 ±14 101 ±7 8.3 6.5 Cobalt Chicken starter feed Breeding feed 0.91±0.07 0.63±0.04 7.5 6.5 N= 5 Parallel determinations The solid weighed portions ranged between 178 ug and 364 ug. Red: Analyte signalBlue: Background signal Revised

关闭
  • 1/2
  • 2/2

产品配置单

耶拿分析仪器(北京)有限公司为您提供《混合饲料中Co元素检测方案(原子吸收光谱)》,该方案主要用于饲料中营养成分检测,参考标准《暂无》,《混合饲料中Co元素检测方案(原子吸收光谱)》用到的仪器有null。

我要纠错

相关方案