采用流动注射分析仪总氮通道测定硝酸盐氮的探讨
许丹丹

Discussion on the determination of nitrate nitrogen by total nitrogen channel in flow injection analyzer
Dandan XU
表3 标准样品测定结果
Table 3 Determination results of standard sample
项目数值
测定结果/(mg·L-10.8380.8330.8320.8280.8560.860
相对误差/%-0.83-1.42-1.54-2.011.301.78
平均值/(mg·L-10.841
标准偏差/(mg·L-10.012 3
相对标准偏差/%1.46