Abdulhusin Zaidan, B. (2009). Synthesize and characterization of p-hydroxybenzoic acid urea formaldehyde Copolymer chelats with( Ca(II),Sr(II) and Ba(II) )ions. , 0(37), 214-225.
Basima Abdulhusin Zaidan. "Synthesize and characterization of p-hydroxybenzoic acid urea formaldehyde Copolymer chelats with( Ca(II),Sr(II) and Ba(II) )ions". , 0, 37, 2009, 214-225.
Abdulhusin Zaidan, B. (2009). 'Synthesize and characterization of p-hydroxybenzoic acid urea formaldehyde Copolymer chelats with( Ca(II),Sr(II) and Ba(II) )ions', , 0(37), pp. 214-225.
Abdulhusin Zaidan, B. Synthesize and characterization of p-hydroxybenzoic acid urea formaldehyde Copolymer chelats with( Ca(II),Sr(II) and Ba(II) )ions. , 2009; 0(37): 214-225.

Synthesize and characterization of p-hydroxybenzoic acid urea formaldehyde Copolymer chelats with( Ca(II),Sr(II) and Ba(II) )ions

Journal of Research Diyala humanity
Article 1, Volume 0, Issue 37, 2017, Pages 214-225
Author
Basima Abdulhusin Zaidan
Abstract
Copoymer (PUF) were synthesized by the condensation of p-hydroxybenzoic acid (P) –urea (U) –formaldehyde (F) in the presence of HCl catalysts.
Chelates of Ca(II), Sr(II), and Ba(II) have been prepared from copolymer (PUF). The probable structures were elucidated on IR and A.A spectroscopy. Thermogravimetric analysis and derivative of the thermogravimetric ( DTG). has been carried out to ascertain the relative thermal stability of ligand and chelates from the above data we suggested octahedral geometry for Ca(II), Sr(II), and Ba(II) chelates.
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