RADIOGRAPHIC SCANNING

摘要

A composition and method for the preparation of a technetium-99m based scintigraphic scanning agent are disclosed. The agent is prepared by the addition of a pertechnetate-99m solution to an anhydrous salt composition comprising a phosphonic acid or a pharmaceutically acceptable salt thereof and a non-toxic, water-soluble, anhydrous, stannous, ferrous or chromous salt of hydrochloric or sulfuric acid.