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5 流动注射法和气相分子吸收光谱法测定结果对比
Table 5 Comparison of determination results of flow injection analysis and gas-phase molecular absorption spectrometry
样品编号流动注射法(A)气相分子吸收光谱法(B)配对差值(A-B)
a1.581.550.03
b1.551.56-0.01
c1.521.55-0.03
d1.561.550.01
e1.521.56-0.04
f1.571.550.02
g1.561.530.03