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

Table 4

Quantitative results of H₂-TPR and O₂-TPD profiles.

Catalysts	H2 consumption (mmol g^−1)			O2 desorption (μmol g^−1)
	L. T. R^a	H. T. R^b	Total	OI	OII	OIII
LaMnO3	0.38	0.98	1.36	43	52	117
La0.8Sr0.2MnO3	0.65	1.32	1.97	75	66	125
La0.6Sr0.4MnO3	1.12	0.98	2.10	94	78	159
La0.4Sr0.6MnO3	1.96	0.95	2.91	117	121	217
La0.2Sr0.8MnO3	1.86	0.99	2.85	125	177	396

^aLow-temperature reduction region. ^bHigh-temperature reduction region.