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.
X-ray diffraction spectra of nanoapatite prepared from (A) hydrothermal reaction at 100°C and ambient pressure for 2 hours and (B) hydrothermal reaction at 100°C and ambient pressure for 4 hours.
Notes: No aging in any cases. *Represents apatite peaks.
