Ключевые слова:
Distillation methods of analysis, Absorptiometry, Potable water, Water, Photometry (chemical analysis), Accuracy, Effluents (sewage), Spectrophotometry, Ammoniacal nitrogen, Chemical analysis and testing, Sewage, Wastes, Water testing, Quality, Water resources, Ammonium inorganic compounds, Ion-exchange methods, Colorimetry, Precision, Determination of content, Ammonia, Seawater, Calibration, Interferences (chemical)