硒是生物体中所必需的微量元素之一 ,具有多种生理功能 ,随着人们生活水平的提高 ,对膳食结构与人体健康的重视 ,多种富硒食品应运而生 ,不同食品中的硒含量不尽相同 ,因此检测富硒食品中的硒含量具有一定的卫生学意义和实用价值。硒元素具有挥发性 ,在 35 0℃干灰化时硒就有逸 Selenium is one of the trace elements essential for living organisms, with a variety of physiological functions, with the improvement of people’s living standards, attention to dietary structure and human health, a variety of selenium-rich foods came into being, selenium in different foods Content is not the same, so the detection of selenium content in selenium-rich foods has some health significance and practical value. Selenium has volatility, selenium has Yi Yi dry ash at 35 ℃