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Study of alkaline earth metal chloride-urea complexes in aqueous media at boiling point in presence of potassium iodide: New equation for preparation of calcium(II), strontium(II) and barium(II) carbonates

Abstract

The carbonate slats of Ca(II), Sr(II), and Ba(II), respectively, were synthesized by a new simple and cheap materials via the chemical reaction of an aqueous solutions of metal chloride ions (CaCl2, SrCl2 and BaCl2), potassium iodide and urea with molar ratio 1:2:10, respectively, at ~ 100 oC for 3 hrs. The infrared spectra of the results indicate absence of the essential bands of urea, but existed of the characteristic bands of ionic carbonate, CO3 2–. An important chemical mechanisms discussed the preparation of Ca(II), Sr(II), and Ba(II) carbonate compounds were suggested

Samy M. El-Megharbel, Ahmed El-Maghrabyand Moamen S. Refat

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