Question

Synthesis of silica nanoparticles from sodium silicate

Answer 1

its synthesis from sodium silicate solution (SSS) in alkaline medium is less investigated. SSS was diluted with water and slowly added in the mixture of ethanol and ammonia to form a sol which was aged and centrifuged to obtain silica nanoparticles. Effect of different ratios of ethanol and ammonia in the mixture on the size of silica …