Fig. 3From: Novel diaminoguanidine functionalized cellulose: synthesis, characterization, adsorption characteristics and application for ICP-AES determination of copper(II), mercury(II), lead(II) and cadmium(II) from aqueous solutionsSEM images of DAC at: a 5000 ×, b 15000 ×, c 27000 ×; SEM images of DiGu.MC at d 5000 ×, e 15,000 × and f 27000 ×Back to article page