References
- Chow , C. W.K. , Davey , D. E. and Mulcahy , D. E. 1997 . An intelligent sensor system for the determination of ammonia using flow injection analysis . Lab. Autom. Inform. Manag. , 33 : 17 – 27 .
- Falk , M. 1990 . Infrared spectrometric determination of nitrate, nitrite and ammonium ions by means of matrix isolation in pressed alkali metal halide pellets . Vib. Spectros. , 1 : 69 – 79 .
- Hart , J. P. , Abass , A. K. , Cowell , D. C. and Chappell , A. 1999 . Development of a disposable, amperometric NH4 + biosensor based on a chemically modified screen‐printed carbon electrode coated with glutamate dehydrogenase, 2‐oxoglutarate and NADH . Electroanalysis , 11 : 406 – 411 .
- Karmarkar , S. V. 1999 . Analysis of wastewater for anionic and cationic nutrients by ion chromatography in a single run with sequential flow injection analysis . J. Chromatogr. A , 850 : 303 – 309 .
- Liu , R. M. , Sun , B. T. , Liu , D. J. and Sun , A. L. 1996 . Flow injection gas‐diffusion amperometric determination of trace amounts of ammonium ions with a cupric hexacyanoferrate . Talanta , 43 : 1049 – 1054 .
- Poreelo , S. , Ferrari , G. , Lenzi , M. and Persia , E. 2003 . Ammonia variations in phytotreatment ponds of land‐based fish farm water . Aquaculture , 219 : 485 – 494 .
- Pratt , G. C. , Coscio , M. , Gardner , D. W. , Chevone , B. I. and Krup , S. V. 1983 . An analysis of the chemical properties of rain in Minnesota . Atmos. Environ. , 17 : 347 – 355 .
- Walcarius , A. , Vromman , V. and Bessiere , J. 1999 . Flow injection indirect amperometric detection of ammonium ions using a clinoptilolite‐modified electrode . Sensor. Actuat. B‐Chem. , 56 : 136 – 143 .