Figure 5.

SEM images. (a) Products without SDS, (b) with ammonia amount increased from 0.04 to 0.08 ml, and (c) with NaOH amount increased from 0.15 to 0.3 ml.

Yu et al. Nanoscale Research Letters 2012 7:347   doi:10.1186/1556-276X-7-347
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