Abstract
The exchange of Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) on n-butylamine tin phosphate intercalate was achieved at 25°C by using metal ion acetate solutions. The uptake behaviour of Mn(II), Co(II) and Ni(II) is similar and there is a progressive decrease of the interlayer distance; while for Cu(II) and Zn(II), there is a gradual disappearance of the reflection which corresponds to the interlayer distance of the n-butylamine tin phosphate intercalate, and a new reflection appears, which correspond to the interlayer distance of the fully exchanged phase. All compounds were examined by diffuse reflectance spectroscopy, X-ray diffraction, magnetic susceptibility measurements ans DTA-TG. Manganese, cobalt and nickel compounds present an actahedral stereochemistry, while, the copper compound is octahedral with a tetragonal distortion. The probable stereochemistry of the anhydrous phases obtained by heating at 480°C is also given.
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