微波消解-微分电位溶出法同时测定面制食品中铅、镉含量  

Simultaneous Determination on Lead and Cadmium in Flour Food by Microwave Digestion and differential Potentiometric Stripping Analysis

作　　者：李向力 章建军 王永 朱海华 

机构地区：[1]河南省食品质量安全控制工程技术研究中心,郑州450002 [2]河南省商业科学研究所有限责任公司,郑州450002

出　　处：《河南科学》2013年第7期961-963,共3页Henan Science

基　　金：河南省重大公益性科研项目(101100911300)

摘　　要：采用微波消解-微分电位溶出法对面制食品中铅、镉进行同时测定.结果显示铅和镉同时测定的线性范围分别为0～32 ng和0～16 ng,回收率为92.5%～106.2%,相对标准偏差为2.8%和1.7%.The microwave digestion-differential potentiometric stripping method is used for simultaneous determination on lead and cadmium in flour food. The linearity ranges of lead and cadmium determinations are 0-32 ng and 0-16 ng respectively. The recovery rate of lead and cadmium simultaneous determination is 92.5%-106.2%. And their relative standard deviation are 2.8%and 1.7%respectively.

关 键 词：微波消解 微分电位溶出法 面制食品 铅 镉 

分 类 号：R155.5[医药卫生—营养与食品卫生学]