Nickel hydroxide samples were prepared from nickel sulphate solution using three different precipitating agents, namely urea, sodium hydroxide and ammonia under identical preparation conditions. Depending on the nature of ...

For better exciton separation and high catalytic activity, the most trailblazing stratagem is to construct defect engineered low-dimensional p-n heterojunction framed photocatalytic systems. In this context, we have developed ...

Studies have been carried out for extraction of Cu, Ni, Co, Zn and Mn with simultaneous avoidance of iron dissolution during leaching of manganese nodules in an aqueous SO2-H2SO4(NH4)(2)SO4 system. The leaching parameters ...