摘要
用标准添加法测定了高寒草原中雨水、河水、泉水及井水中氨氮含量在0.05ppm左右,其平均回收率97.9±3.3%。
Ammonia-N was estimated in rain water, river water, spring water and well water at high-cold grassland using standard addition method. The ammonia-N concentration was about 0.05 ppm, and the mean recovery was 97.9±3.3%.
出处
《甘肃农业大学学报》
CAS
CSCD
1990年第2期211-213,共3页
Journal of Gansu Agricultural University
关键词
草原
水质
氨氮
氨气敏电极
测定
ammonia-sensitive electrode
standard addition method
highcold grassland
water