A magic-angle spinning 31P NMR investiga
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S. Prabhakar; K.J. Rao; C.N.R. Rao
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Article
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1987
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Elsevier Science
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English
⚖ 473 KB
P NMR spectra of several inorganic phosphates have been examined both in the crystalline and the glassy states. The parameter (Z,&)q clearly demarcates ortho-, pyro-and meta-phosphates in terms of the "P chemical shifts. Based on such a diagram, inorganic phosphate glasses are found to consist essen