甲醛法测定铵盐中氮含量实验的改进
刘越, 李琰, 陈珮豪, 李晓霜, 冯一梅, 于晓东
Improvement on the Content Determination of Nitrogen in Ammonium Salt by Formaldehyde Method *
Liu Yue, Li Yan, Chen Peihao, Li Xiaoshuang, Feng Yimei, Yu Xiaodong
大学化学 . 2015, (1): 45 -48 .  DOI: 10.3866/PKU.DXHX20150109