Dynamic covalent modification of the surface-stabilizing monolayer accesses a continuum of nanoparticle properties from a single starting point.

Metallurgical operations on products containing indium result in its concentration in a slag containing 2.5 per cent In. This slag is reduced electrothermieally to produce a bullion containing lead, tin, indium, and antimony. This bullion is treated electrolytically by a modification of the Betts process to yield a lead-tin alloy cathode and a high-indium (30 35%) anode slime. The anode slime is treated chemically to give a crude (99%) indium metal, which is refined eleetrolytically. The properties and uses of indium are discussed.