nitric acid or sodium hydrate in not given High Pressure; mixing Sb2O5 and Bi compd., under hydrothermal conditions, pH 1-9 (control by addn. of nitric acid or sodium hydrate); XRD;
sodium hydrate or nitric acid in not given High Pressure; addn. of Sb compd. to soln. of Bi compd., pH 1 (sodium hydrate or nitricacid), sealing, storage in autoclave;
in water byproducts: N2, CO2, H2O; citric acid was added to aq. soln. of nitrate (fixed citrate to nitrate ratio of 0.3 was used); evapd. on hot (200.+-.5°C) plate with stirring; ignited; ground in agate mortar; calcined for 6 h at 773 K;
参考文献
Journal of Thermal Analysis and Calorimetry, , vol. 104, p. 859 - 868
