Grams is equivalent radium

Grams is equivalent radium (unit of gamma-equivalents) - gamma-equivalent amount of a radioactive drug, gamma rays which under identical conditions of measurement creates the dose is the same as 1 gram of radium in platinum filter thickness of 0.5 mm, capacity at the distance of 1 m is equal to 0,83 p/hour. Cm. also Doses of ionizing radiation.