Fig. 3. Photograph of spontaneous gels containing Cu2+, Zn2+, Fe2+, Ni2+, Pb4+. The mercury salt mixture only formed a precipitate. The solvent is DMSO : H2O (v/v 1 : 1) and the molar ratio of gelator 18 to the metal ions is 1 : 2 for all samples.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.