A novel ammonium-free seawater preparation method for determination of trace quantities of ammonium in seawater
Yong Zhu, Dongxing Yuan, Jianfang Chen, Kunning Lin and Yongming Huang
Limnology and Oceanography: Methods
http://onlinelibrary.wiley.com/doi/10.1002/lom3.10228/abstract?campaign=woletoc
