微波消解电感耦合等离子体发射光谱(ICP-AES)测定黑木耳中5种微量元素
Contemporary Chemical Industry(2012)
Abstract
本法选用硝酸和过氧化氢的混合消解液对黑木耳进行封闭微波消解,用电感耦合等离子体发射光谱仪(ICP-AES)同时测定黑木耳中微量铁、钙、镁、钾、钠、磷的含量。该方法检出限低,方法回收率98.4%~100.6%,相对标准偏差(RSD)0.82%~2.24%,该方法具有良好的准确度和精密度,操作流程短,基体干扰少,并且溶样过程无污染,方法简便、快速,适用于植物样品的批量分析。
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Key words
Trace elements,Auricularia auricular,ICP-AES,Hermetic microwave digestion
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