Water quality
BS EN 12260-2003 pdf free.Water quality一 Determination of nitrogen Determination of bound nitrogen (TN), following oxidation to nitrogen oxides. Oxidation of the sample containing nitrogen by catalytic combustion in an oxygen atmosphere at > 700 °C, to nitrogen oxides. Quantification of nitrogen concentration is carried out by chemiluminescence detection (after reaction with ozone). 4 Interferences Depending on the instrument in […]
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