强化酱油中铁含量的快速测定

Rapid Method for Determination of Fe in Fortified Soy Sauce by Flame Atomitic A bsorption Spectrometry

本文建立了用微波消化—火焰原子吸收法测定强化酱油样品中的铁。方法简便、快速,准确,回收率为98%～104%;RSD为3.3%;检出限为0.048μg/ml。

The method for the derermination of Fe in fortified soy sauce by m ic rowave digestion-flame atomitic absorption spectrometry was established in this paper.The method was proved to be simple,rapid,precise and convenient.The reco v ery is 98%～104%.The relative standard deviation is 3.3%.The detection limi t was 0.048靏/mL