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Figure 1
STXM image at 285 eV and spot spectra of the matrix (left) and precipitate (right) regions of a high-water polyurethane foam which has macrophase precipitates. Quantitative curve-fit analysis of the matrix and precipitate spectra show that the precipitates are urea-rich. Dots are the experimental spectra [each is the sum of focused point spectra (50 nm) at the four indicated points], while the solid curves are the fit (thick line) and its components (thin line). (Stony Brook STXM instrument at NSLS; Rightor et al., 2000BB24.)

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 8| Part 2| March 2001| Pages 66-71
doi:10.1107/S0909049500016447
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