Figure 9.
HPLC chromatograms of standard solution (A) and sample solution (B) 1: phenacetin; 2: 6β-hydroxytestosterone; 3: testosterone.
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.