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.
(a) Adsorption rate of trivalent chromium ions on the activated BN. (b) The corresponding adsorption isotherm. (c) Comparison of adsorption capacities of the activated BN, porous BN and activated carbon for Co2+, Ni2+, Ce3+, and Pb2+, respectively.
