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Figure 5
(a) Scattering intensity, measured at 40 K min−1 and extrapolated to q = 0, as a function of temperature for samples B and C, measured upon heating (dashed lines) and upon cooling (solid lines). (b) Temperature derivatives of IS(0) data obtained at 40 K min−1 for samples B and C. For clarity, sample C is shifted up by 10×10-3 e.u. K−1. Tg is found to be 1535 K for sample B ([OH] = 2 p.p.m.) and 1303 K for sample C ([OH] = 900 p.p.m.).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 40| Part s1| January 2007| Pages s512-s516
doi:10.1107/S0021889807000507
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