常见块根类蔬菜中钾钠含量的火焰光度法测定

Determination of the content of Kalium and Natrium in Common Root Vegetables by the Flame Atomic Emission Spectrophtometry

通过硝酸消化法制备了11种常见块根类蔬菜的待测溶液,并用火焰光度法准确测定了其中钾钠的含量。通过对相关资料的查询,了解了正常人体所需的钾钠含量,经过分析以及与参考资料的对比表明,11种常见蔬菜中钾钠含量适中,能够满足人体正常需要,对高血压患者及其想通过改善膳食增进健康的人们具有一定的指导意义和参考价值。

11 kinds of blocks stores vegetables solutions were disposed in advance by the nitric acid digestion were pre- pared. The potassium and sodium content were measured through the flame atomic emission spectrophtometry. After the analysis and contrast, it indicated that the content of prtassum and sodium of the 11 kinds of vegetables selected could meet the human body normal needs. It had reference value to thc people who want to improve health or hypertension patient.