用紫外法测定水中的NO3-—N干扰问题研究

    On Interference Problems of the Determination of NO3-—N in Water by UV Spectrophotometric Method

      摘要
    • 摘要: 通过实验,考察了烷基磺酸钠、烷基苯磺酸钠、苯酚等对紫外法测定水中NO3-—N的干扰,讨论了测定波长范围问题,提出了对清洁水做一次吸光度校正的计算公式。

       

      Abstract: Based on many experiments, this paper studies the interference of alkyl sodium sulfonate,alkylbenzene sodium sulfonate, phenol, ect. with the determination of NO3-—N in water by UV spectrophotometric method. It discusses the determination of wavelength coverage and advances a formula for correcting the absorbance in clean water.

       

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