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.
SEM images (a) and Mg elements distribution detected by EPMA (b) of BC, BC-TA, BC-TA-2Mg, BC-TA-4Mg and BC-TA-6Mg membranes. (c) XPS survey spectra of BC, BC-TA and BC-TA-6Mg membranes. (d) High-resolution XPS spectra of Mg 1s. (e) The content of TA and Mg in different samples
