Researchers from The Dow Chemical Company teamed with academic colleagues to conduct x-ray spectromicroscopy studies of superabsorbent polymers (SAPs), materials with a wide range of applications, including disposable baby diapers. Dow has been able to use the results to help develop the process technology for a new SAP-manufacturing plant. Read more »
ALS Work Using STXM
Scanning transmission x-ray microscopy (STXM) generates microscopic images of a thin section of specimen by raster-scanning it in a focused x-ray beam. The flux of transmitted x-rays is measured to obtain the image intensity. By holding the beam at a microscopic region of interest on the sample while the photon energy is scanned, chemically sensitive x-ray absorption spectra can be measured at that specific location (spectromicroscopy).
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