The effect of different dilution solution on the absorbency of nitrogen oxide was studied in this paper, and the selection of the dilution solution has been discussed.

• 摘要文章研究了采用不同溶液对氮氧化物显色液进行稀释时对氮氧化物显色液吸光度的影响，对稀释液的选择进行了探讨。