摘要
针对纳氏比色法测定氨氮过程中存在的问题,提出了相应的解决办法。消除了混浊和泡沫干扰问题,降低了空白吸光度,提高了测定的准确度。
The corresponding solving methods,exsiting in the determination of the amino nitrogen by Nashi colormetric method.The disturbance of turbidity and foam are eliminated.It reduce the blank absorbility and improve the accurancy.
出处
《干旱环境监测》
2003年第2期123-124,F004,共3页
Arid Environmental Monitoring
关键词
氨氮
纳氏试剂
稳定性
T检验
amino nitrogen
Nashi regent
stability
t-test
