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.
Mass balance approach in NTS of compounds containing one heteroelement, here F. The left pie-chart shows the loss during extraction of compounds, while the right pie-chart shows the distribution of fluorine-containing compounds including the unknown compound in the water extract.
