Browsing by Subject "1993 Dissertation Z6365"
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(Texas A&M University. Libraries, 1993)Two types of layered lanthanum phosphonates have been prepared and characterized by XRD, TGA, NMR and ER. The one form ed at pH< 3 has a composition of LaH(C>3 PR)2 (R= CH3, C2H 5 , C^Hs) and the other prepared at pH > 8 ...