An official website of the United States government
Here's how you know
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.
EDAX spectra of Vanga (a) Original Sample (b) after Jaran method (c) prepared by maran with traditional method of heating (d) prepared by maran with electric muffle furnace heating (e) commercial sample.