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.
The cluster dendrogram of 20 GTDS samples. Cluster I (M, N, P, Q, R, S) is composed of mainly liquid GTDS samples. Cluster III is mainly solid GTDS samples that have a chemical composition similar to that of the GT reference. Sample letters are identified in Table 1.
