Bismuth(III) carbonate basic, (BiO)2CO3.3H2O, was prepared via novel simple synthetic route through the reaction of aqueous solutions of BiCl3, Bi(NO3)3, Bi(CH3COO)3 or Bi2(SO4)3 with a simple organic precursor like urea at ~ 90 oC for 72 hrs. The infrared spectra of the results indicate absence of the individual bands of urea, but exhibited of the characteristic band of ionic carbonate, CO3 2–. A general reaction mechanisms describing the preparation of bismuth(III) carbonate basic compound was discussed.
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