Glasses Tech

September 22, 2009

Deconvolution of magic-angle spinning nuclear magnetic resonance spectra of silicate glasses revisited – some critical comments

Filed under: Glasses 1995 — admin @ 1:55 am

Eyeglasses

It is common practice to quantify magic-angle spinning nuclear magnetic resonance (MAS NMR) spectra of silicate glasses by using lineshape fitting routines based on Gaussian distribution functions. This procedure depends on several- implicit -assumptions. In this contribution we have addressed and questioned these underlying assumptions. Also ‘goodness-of-fit’ criteria and experimental considerations (‘goodness-of-data’) have been discussed. Some illustrative practical examples (silica glass, binary Na//2O-SiO//2 glasses with different Na:Si ratio) are given. (Author abstract) 29 Refs.

Mahler, Joachim Sebald, Angelika

Glasses Tech