Determination of 9 Kinds of Metal Elements in Pork Muscle by Microwave Digestion and ICP-MS
Aiju Li
Abstract
Aiju Li
Abstract
In this paper,we introduced the determination of 9 kinds of metal elements,arsenic,cadmium,lead,nickel,chromium,copper,mercury,antimony and zinc in pork muscle,by microwave digestion and ICP-MS.The linear range of standard curve was from 0 to 50 ng / m L,the detection limit was within the range of 1. 2 ~22. 5 ng / m L,and the precision of the method was 0. 28% ~ 4. 39%. All the recovery rates in meat were between81. 5% and 112. 6%. The method we used in this paper was simple,rapid and accurate,which may greatly improve the detection time and efficiency.
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In this paper,we introduced the determination of 9 kinds of metal elements,arsenic,cadmium,lead,nickel,chromium,copper,mercury,antimony and zinc in pork muscle,by microwave digestion and ICP-MS.The linear range of standard curve was from 0 to 50 ng / m L,the detection limit was within the range of 1. 2 ~22. 5 ng / m L,and the precision of the method was 0. 28% ~ 4. 39%. All the recovery rates in meat were between81. 5% and 112. 6%. The method we used in this paper was simple,rapid and accurate,which may greatly improve the detection time and efficiency.
Key concepts: Microwave digestion, Cadmium, Arsenic, Detection limit, Mercury (programming language), Chromium, Antimony, Chemistry