標準號：ISO 11564-1998
中文標準名稱：固定源排放 氮氧化物質量濃度的測定 萘乙二胺分光光度法
英文標準名稱：Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method
標準類型：Z15
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：Z15
國際標準分類號：13.040.40
適用范圍：This International Standard specifies a photometric method for the determination of the mass concentration of nitrogen oxides in exhaust gases from ducts or chimneys. NOTE — Nitrogen oxides (NOx) are practically defined as the sum of NO and NO2. The mass concentration of NOx is expressed as the equivalent NO2 concentration in milligrams per cubic metre. The method is applicable to the determination of the mass concentration of nitrogen oxides in exhaust gases from combustion processes, processes for surface treatment of metals and from organic chemical reactions, if necessary after removal by washing, in-furnace reduction and/or catalytic denitration, prior to their dispersion into the atmosphere. This International Standard is applicable to the concentration range 5 mg/m