Facile One-Step Flame Synthesis of La_1−xSr_xMnO₃ Nanoparticles for CO Catalytic Oxidation

Table 6

Temperature values of 50% and 90% conversion in CO catalytic oxidation.

Case1 catalytic cycles	LaMnO3		La0.8Sr0.2MnO3		La0.6Sr0.4MnO3		La0.4Sr0.6MnO3		La0.2Sr0.8MnO3
	T50	T90	T50	T90	T50	T90	T50	T90	T50	T90
1^st	170.6	201.8	161.5	185.2	153.3	182.1	134.9	163.2	140.4	173.6
2^nd	178.7	205.5	161.6	189.6	159.4	186.2	135.3	165.8	147.7	173.9
3^rd	178.3	208.1	162.8	194.4	162.7	191.7	137.9	169.2	151.2	174.3
4^th	174.6	207.8	162.1	190.9	158.1	187.6	138.4	164.7	151.4	177.6
5^th	178.1	210.2	163.6	195.3	161.3	189.1	143.6	176.9	151.1	179.5