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The Determination of Rare Earths in Thorium
Abstract: "A quantitative method for the determination of individual rare earths in thorium down to a level of 0.05 ppm, is described. The procedure consists of a chromatographic cellulose-columns separation followed by a solution-type spectrographic determination. Values are given for the recovery of a number of rare earths using this combined procedure."
Date:
May 15, 1952
Creator:
Center, E. J.; Henry, W. M. & Householder, R. D.
System:
The UNT Digital Library
THE DETERMINATION OF RARE EARTHS IN THORIUM
None
Date:
May 15, 1952
Creator:
Center, E.J.; Henry, W.M. & Householder, R.D.
System:
The UNT Digital Library
Investigational Drilling, Hoskinnini Mesa
From to the files: To date, all the mineralization seen in the Monument Valley area in the Shinarump formation has been in scour channels. The mineralized rock occurs at or near the bottom of the channel. On Hoskinnini Mesa, all the channels examined to date contain some mineralized material. Channels observed may in some cases contain copper without apparent uranium mineralization; others definitely exhibit copper-uranium mineralization.
Date:
May 15, 1952
Creator:
Chester, John W. & Pitman, R. K.
System:
The UNT Digital Library
Neutron Distribution Measurements at Pajarito by Means of Photographic Emulsion
A method using photographic emulsions for the study of neutron distributions is described. The construction of a simple machine for producing experimental critical assemblies in which the method has been used is reported. Sources of error are discussed. Curves of the perturbations when small spheres of various materials are placed in the center of the assembly are shown.
Date:
May 15, 1952
Creator:
Young, Dwight S.
System:
The UNT Digital Library