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.
Yields of essential oil as function of (a) water flow and sample size; (b) water flow and saline solution concentration; (c) water flow and number of washings; (d) sample size and saline solution concentration; (e) sample size and number of washings; and (f) saline solution concentration and number of washings.
