Objective: If additional chemicals are inadvertently introduced in the preparation of
radiopharmaceutical kits, radiochemical impurities may be formed. We report our experience …

Objective: Chemical reactions involved in preparing 99mTc radiopharmaceuticals
occasionally result in products of substandard purity. A retrospective examination of …

The method of quality control (QC) described on the package insert for 99mTc-tetrofosmin
requires meticulous attention to technique for accurate radiochemical purity results. About …

College of American Pathologists completed a pilot study to evaluate radiopharmaceutical
quality assurance techniques. Thirty participants receivedfivevialseach, three for …

Objective: To determine and compare the stability of 99mTc-ECD and stabilized 99mTc-
HMPAO when stored in syringes over an 8-h period. Methods: 99mTc-ECD and stabilized …

Recognizing the fact that each nuclear medicine facility should be able to perform simple
radio-chemical quality tests on currently used radiopharmaceuticals, this study was …

Objective The longer the time between elutions of a technetium-99m (99m Tc) generator, the
greater the 99 Tc: 99m Tc ratio in the eluate. Information is limited on how this affects the …

Some groups have reported that adsorption of radiopharmaceuticals on disposable plastic
syringes can reach levels of almost 50%. This high loss of radioactivity stimulated us to carry …

2111 Objectives The administration of specifically dosed radio pharmaceuticals to patients is
a very important aspect of Nuclear Medicine. The objective of this study was to examine the …

The instant thin-layer chromatographic method of determining the radiochemical purity of
99mTc-tetrofosmin recommended by the manufacturer uses a mixture of acetone and …