... and improve the economy. 2. Technical indexItemAnalyze methodQIAppearanceVisualWhite powder(pt)content(ppm)Atomic Absorption Spectroscopy after 200°C2h constant ignition ... the combusetion reaction, the effects of PT and Pd are excellent, especially the PT is better.Oxidation mechanism of CO ... this, in the above reaction, due to exist of PT, the reaction course of CO is changed, reaction avtivation ...