3Staden J F, Taljaard R E. Determination of ammonia in water and industrial effluent streams with the indophenol blue method using sequential injection analysis[J]. Anal Chim Acta, 1997,344:281-289
4Schmidt W J, Meyer H D, Schtigerl K, et al. On line analysis of fermentation media[J]. Anal Chim Acta, 1984,163:101-109
5Weatherbum M W. Phenol-Hypochlorite reaction for determination of ammonia [ J ]. Analytical Chemistry, 1967, 39(8) :971-974
6Krug F J, Rika J, Hansen E H. Determination of ammonia in low concentrations with Nessler's regent by flow injection analysis[J].Analyst, 1979,104 : 47- 54
7Bernal J, Nozal M, Deban L, et al. Determination of ammonia in wine and milk with an ammonia gas - sensing probe[J].Analyst, 1986,111:631-634
8Tsuboi T, Hirano Y, Shihata Y, et al. Sensitiving improvement of ammonia determination based on flow-injection indophenol spectrophotometry with manganese ( Ⅱ) ion as a catalyst and analysis of exhaust gas of thermal power plant[J].Analytical Scinence, 2002, 18:1 141-1 144