Analysis and Appraisal of Heavy Metal Pollution in Vegetables at Foodmarket of Shanxi Agricultural University

In order to find the heavy metal pollution situation of vegetables in Shanxi Agricultural University.We analysed heavy metals in the 30 samples of 5 vegetables from 6 places in Shanxi Agricultural University food market.It was found that the content of the heavy metal arsenic,lead,mercury,cadmium,chromium and distribution characteristics in the vegetables.The result showed that the lead and mercury were the main elements that polluted the food market vegetables,exceeding standard rates by 53.3% and 16.7%.Cadmium exceeds standard in rape and tomato by 6.7%.Chromium exceeds standard in one sample.The arsenic has no phenomenon of exceeding was below the standard.In the variety of vegetables measured,the Cabbage and cucumber are polluted seriously,the rape and tomato took second place,the French gourd was lightest.