微波消解石墨炉法检测龟甲胶中铬元素含量
Journal of Heze University(2013)
Abstract
通过以下方法对龟甲胶中的铬进行检测:龟甲胶样品经微波消解后,采用石墨炉原子吸收分光光度法测定铬含量.结果表明,铬在0~12.5μg/L范围内与吸光度呈良好线性关系,相关系数r=0.998 6,检出限为1.58 ng/mL,平均加标回收率为94.8%.因此,认为这种方法可满足龟甲胶中微量铬含量的测定.
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Key words
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