摘要
研究了新标准紫外与气相法测定地表水总氮的测定偏差及偏差成因。方差齐性检验结果F值为1.33<F_(0.05(21、21))=2.08,显示两仪器的测定精密度无显著性差异;研究结果显示某些挥发性含氮物质消解顶隙损耗是造成地表水总氮测定值偏低的主要原因。
The article discusses the ultraviolet and gas phase process of new standards to determine the determining windage and cause of formation of total nitrogen of surface water. The result shows that the abatement and peak gap wastages of some volatile nitrogen substances are the main reasons in causing the low level of determination value of total nitrogen of surface water.Keywords
作者
林丽钦
李婷
曾艳霞
杨亚琳
LIN Li-qin;LI Ting;ZENG Yan-xia;YANG Ya-lin(Fujian Environmental Monitoring Center, Fuzhou 350003, China)
出处
《中国环保产业》
2016年第12期57-59,63,共4页
China Environmental Protection Industry
关键词
总氮
氨氮
消解
挥发性含氮物质
total nitrogen
ammonia-nitrogen
abatement
volatile nitrogen substances
