Figure 7.

UV–vis absorption spectra of methylene blue which were degraded by fibers. UV–vis absorption spectra of methylene blue which were degraded by fibers at 550°C preserved heat in N2 (top) and NH3 (bottom).

Hu et al. Nanoscale Research Letters 2013 8:548   doi:10.1186/1556-276X-8-548
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