Investigation on Characteristics and Influencing Factors of Oxidation Process of UDMH
2006
Main oxidation products and their concentration changing characteristics,and the influences of concentration of oxygen and contact metal materials with unsymmetrical dimethylhydrazine(UDMH) on the oxidation speed of UDMH during oxidation process of UDMH are studied by means of GC and MS.The structures of newly produced oxidation products are inferred.The investigation results show that dimethylamine as an intermediate oxidation products of UDMH,can be further oxidized and reacted with-NO to produce N-nitrosodimethylamine,which makes oxidized UDMH turn yellow.Stainless steel and alumumium can accelerate the oxidation speed of UDMH and increase the concentration of dimethylamine.Increasing the concentration of oxygen can increase the oxidation speed of UDMH and the concentration of dimethylamine immediately.
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