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Figure 4
Observed, calculated and difference patterns of Na2C8H4O4. The small crosses represent the observed data points and the solid line through them the calculated pattern. The difference curve is plotted at the same scale as the other patterns. The bottom row of tick marks indicates the positions of the disodium terephthalate peaks and the top row marks the positions of the peaks of the trona, Na3H(CO3)2(H2O)2, impurity.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 56| Part 3| June 2000| Pages 474-485
doi:10.1107/S0108768199014718
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