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ISO 11564:1998

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Stationary source emissions - Determination of the mass concentration of nitrogen oxides - Naphthylethylenediamine photometric method

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This International Standard specifies a photometric method for the determination of the mass concentration of nitrogen oxides in exhaust gases from ducts or chimneys.

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/m3 to 1000 mg/m3 as NO2 for a sample gas volume of 1000 ml.

For gas concentrations greater than 1000 mg/m3, the determination of sample gas concentrations up to 5000 mg/m3can be performed by diluting the sample solution or by taking an aliquot of the sample solution.

This International Standard is not applicable to the determination of dinitrogen monoxide (N2O).


SDO ISO: International Organization for Standardization
Document Number ISO 11564
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 146/SC 1
Publish Date Document Id Type View
Not Available ISO 11564:1998 Revision
Not Available Revision