测定水中氨氮有关问题的探讨

摘要

阐述了纳什试剂配置的原理及方法改进，不同的 pH 值对吸光度的影响，样品稀释方法的改进%　　Elaborated Nash reagent configuration principle and method improvement, different pH values on the absorbance of the sample dilution effect, improved method