微量元素对人体的营养作用和毒害作用,正在日益受到重视。我国进出口商品需要进行质量检验,出口水果罐头更要严格把好质量关。检测微量元素的现行方法多数为比色法、滴定法、分光光度法、原子吸收法等单元素测定法,本文利用多道等离子体光 Trace elements on the human body’s role in nutrition and toxic effects, is receiving increasing attention. China’s import and export commodities need to carry out quality inspection, export canned fruits should be more strict quality control. Most of the current methods for the detection of trace elements are colorimetric, titration, spectrophotometry, atomic absorption spectrometry and other single-element method, the use of multi-channel plasma light