煤化工废水中无机阴离子的检测方法研究
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高健,尚云涛,张洪杰
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Study on detection of inorganic anions in coal chemical wastewater
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Jian Gao,Yuntao Shang,Hongjie Zhang
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表2 线性回归方程及检出限
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阴离子 | 线性方程 | R2 | 线性范围/(mg·L-1) | 检出限/(mg·L-1) | F- | y=3.249x-0.059 | 0.999 9 | 1~100 | 0.03 | Cl- | y=4.171x+1.963 | 0.999 6 | 1~150 | 0.21 | NO2- | y=7.321x+1.201 | 0.999 9 | 1~100 | 0.33 | Br- | y=8.990x+0.506 | 0.999 5 | 1~100 | 0.52 | NO3- | y=11.150x+0.519 | 0.999 6 | 1~100 | 0.55 | PO43- | y=15.672x+1.712 | 0.999 7 | 1~150 | 0.71 | SO42- | y=6.070x+1.339 | 0.999 5 | 1~150 | 0.86 |
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