Fig. 3From: ZnO-TiO2 doped polyacrylonitrile nano fiber-Mat for elimination of Cr (VI) from polluted waterSEM images a of PAN n-fib@Mat, b PAN n-fib@Mat after Cr (VI) adsorption, c PAN-ZnO n-fib@Mat, d PAN-ZnO n-fib@Mat after Cr (VI) adsorption, e PAN-ZnO-TiO2 n-fib@Mat, and f PAN-ZnO-TiO2 n-fib@Mat after Cr (VI) adsorptionBack to article page