Carnotite Research Articles

Separation of protactinium from carnotite

The separation of Pa from carnotite from Sierra Gomez Chihuahua, Mexico, has been studied, using233Pa as tracer. Protactinium lost during the separation and the efficiency of the method was determined through measurements of the radioactivity of233Pa.

Carnotite and tyuyamunite and their ores in Colorado and Utah

Carnotite and tyuyamunite and their ores in Colorado and Utah

CX. The relation between uranium and radium.—Part VIII. The period of ionium and the ionium-thorium ratio in colorado carnotite and joachimsthal pitchblende

CX. <i>The relation between uranium and radium</i>.—Part VIII. <i>The period of ionium and the ionium-thorium ratio in colorado carnotite and joachimsthal pitchblende</i>

A new occurrence of carnotite

A new occurrence of carnotite