Fig. 14From: Rapid ecosynthesis of TiO2@CuO@Chromite nanocatalyst for environmentally friendly applications: solventless cyanation of aldehydes and high efficient treatment of sewage watersUV–Vis monitoring of sewage sample treatment using TiO2@CuO@Chromite NCs in different intervals of time (at zero time (A), after 20 min (B), after 40 min (C), after 1 h (D))Back to article page