Table 1. Metal salts used for the SAS precipitations and the physical properties of the resultant perovskites.

Sample	B metal salt	Precursor solution La : B molar ratio	Precipitated La : B molar ratio a	Phase composition from XRD	Crystallite size (nm)	Surface area (g m–2)
LaCrO3	Chromium(iii) acetate b	1 : 1	1 : 1.06	LaCrO3, trace La2CrO6 c	6	52
LaMnO3	Manganese(ii) acetate tetrahydrate	1 : 1.2	1 : 1.03	LaMnO3 (100%)	18	32
LaFeO3	Iron(ii) acetate	1 : 1.4	1 : 0.99	LaFeO3 (85%), La2O3 (9%), Fe2O3 (6%)	21	26
LaCoO3	Cobalt(ii) acetate tetrahydrate	1 : 1.1	1 : 1.05	LaCoO3 (90%), Co3O4 (10%)	22	22
LaNiO3	Nickel(ii) acetate tetrahydrate	1 : 1.1	1 : 1.07	LaNiO3 (90%), La2O3 (8%), NiO (2%)	15	36

^aRatios calculated by MPAES.

^bChromium acetate prepared in house from potassium chromate and sodium acetate.

^cPhase composition of La₂CrO₆ could not be quantified.