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ASTM D1608-16
- Standard Test Method for Oxides of Nitrogen in Gaseous Combustion Products (Phenol-Disulfonic Acid Procedures)
- standard by ASTM International, 03/01/2016
- Publisher: ASTM
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1.1 This test method describes the phenol-disulfonic acid colorimetric procedure (1) 2 for the determination of total oxides of nitrogen [nitrous oxide (N2O) excepted] in gaseous effluents from combustion and other nitrogen oxidation processes.