2.
99mTc-T7薄层色谱扫描图。A：高锝酸溶液，放化纯98%；B：99mTc-T7，放化纯92.1%。
99mTc-T7 thin layer chromatography scan. A: high technetium acid solution, radiochemical purity 98%; B: 99mTc-T7, radiochemical purity 92.1%.
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.