摘要
建立微波消解-二次微分电位溶出分析法测定淡水虾中镉含量的方法。优化实验条件如pH值、电沉积电位、平衡电位等,线性范围:镉(0～16)ng;检出限分别为0.24 ng/mL,RSD=2.1%(n=7)。该法测定淡水虾中镉含量的结果与原子吸收法无显著差异。
A method for determination of trace amounts of Cd in crayfi sh by microwave digestion and quadratic differential potentiometric stripping.The experimental parameter,such as pH values,accumulation potential and equilibrium potential were optimized.The peak currents were linear with the concentration in the range：（0～16） ng.The detection limits were 0.24 ng/mL.RSD2.5%（n=7）.Consistent results of in food were obtained by this method as compared with GF-AAS method.
出处
《食品工业》
北大核心
2010年第5期92-94,共3页
The Food Industry
基金
河南省重点科技攻关项目(072102320020)
关键词
微波消解
二次微分电位溶出法
测定
淡水虾
镉
microwave digestion
quadratic differential potentiometric stripping
determination
crayfish
Cd
