摘要
在碱性条件下,铵离子可与碘化汞钾反应生成黄色化合物,其最大吸峰为430nm,在13~81ug范围内线性相关(r=0.9986),回收率96.63%-98.25%。与凯氏定氮相比差异不显著。
The yellow compound formed by interaction between NH + 4 and HgI 2 in base conditions Showed a maximum absorption beam at 430nm,with a line corelation among 13~18μg(r=0.9986),with recorery of 95%~98%.
关键词
尿氮
测定
比色
家畜
饲养管理
Urino-nitrogen Determination Spectrometry