电感耦合等离子体原子发射光谱法测定鲨鱼软骨中的微量元素

DETERMINATION OF TRACE ELEMENTS IN SHARK CARTILAGE BY INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROMETRY

用电感耦合等离子体质谱（ＩＣＰ－ＭＳ）对鲨鱼软骨进行全元素的半定量分析。用电感耦合等离子体原子发射光谱（ＩＣＰ－ＡＥＳ）对其进行微量元素测定。选用钇作内标元素，可较好地克服基体效应，所研究元素的回收率在８１．６～１００．７％之间。铁、锌、硒、铜、锰、钼、钛和锶等元素的测定下限分别是：０．６０，０．５５，０．２１，０．３９，０．０４２，０．２７，０．０３８，０．４８μｇｇ－１。实验表明鲨鱼软骨含有丰富的人体必需的微量元素。

Semiquantitative estimation of all elements in shark cartilage was investigated by inductively coupled plasma mass spectrometry(ICP MS).The determination of trace elements,namely Fe,Zn,Se,Cu,Mn,Mo,Ti and Sr in shark cartilage,was carried out using inductively coupled plasma atomic emission spectrometry(ICP AES).The matrix effects were overcome by using yttrium as an internal standard element.The recoveries are in the range of 81 6 to 100 7%.The determination limits of Fe,Zn,Se,Cu,Mn,Mo,Ti and Sr are 0 60,0 55,0 21,0 39,0 042,0 27,0 038 and 0 48μg·g -1 ,respectively.The results showed that the shark cartilage contains higher amount of Fe,Zn,Se,Cu,Mn,Mo,Ti and Sr than those in other fishes and in other animal bones.