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.
Chromatographic separation of MON standard (1000 µg L−1) on LC-NH2 column using: (a) 2.5 mM Tb3+ aqueous solution:acetonitrile 4 + 6 v/v; (b) 2.5 mM Tb3+ aqueous solution:acetonitrile 6 + 4 v/v; (c) 2.5 mM Tb3+ aqueous solution:acetonitrile 8 + 2 v/v, as mobile phase.
