摘要
本文调查分析了1989—1990年间杭州市郊菜区7类14种主要蔬菜中硝酸盐及亚硝酸盐的含量。各类蔬菜硝酸盐平均含量范围为136～1847ppm,依次为绿叶菜类>白菜类>根菜类>豆类>甘蓝类>茄果类>瓜类;亚硝酸盐平均含量范围为0.09～3.78ppm。按有关标准对蔬菜硝酸盐含量进行了卫生学评价,分析了蔬菜硝酸盐的来源及积累规律,并提出了相应的防治对策和措施。
Nitrates and nitrites contents of the main vegetables (including seven types and fourteen species) in Hangzhou vegetable production regions during: 1989—1990 have been investigated. The investigated result shows that the average content range of nitrates in various type vegetables is 136-1847 ppm, the nitrates content sequence of the vegetables is following, green leaf vegetables>Chinese cabbage vegetables>root vegetables>legumineou vegetables>wild cabbage vegetables>eggplant-fruit vegetables>melon vegetables; the average content range of nitrites is 0.09-3.78ppm. According to some environmental standards, the hygienic assessment for vegetable nitrate content in Hangzhou has been made, the source and the accumulation rule of nitrates in vegetables have been analysed, then a countermeasure for the control of the nitrates pollution has been provided.
出处
《环境污染与防治》
CAS
CSSCI
CSCD
北大核心
1991年第4期5-9,共5页
Environmental Pollution & Control
