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LaMnO 3+δ nanocrystalline powders were prepared using a new method in which the insoluble carboxyl-containing grafted starch copolymer (ISC) with a 3D tangled network was used to adsorb metal ions by carboxyl and form precursors. The structural components in the ISC and the precursors were identified from Fourier transform infrared spectra (FT-IR) of the samples. Thermogravimetric-differential...
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