Figure 4.
MRM chromatogram (MS/MS) of the 4 kinds of TCs at a concentration of 5.0 μg kg−1 ((a), a standard solution of 2.0 ng/mL; (b), a blank fish sample; and (c), a spiked fish sample containing TCs at a concentration of 2.0 ng/mL).
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.