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in creator/contributor: "Richardson, A. C."  
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Topical report on examination of residues from the nitric acid digestion of pitchblende

Description: A report about an investigation started to determine the compounds and/or minerals present in the residue resulting from nitric acid digestion of ore. Emphasis was placed on determining the compounds and/or minerals containing boron.
Date: 1950
Creator: Langston, B.; Tangel, O. F. & Richardson, A. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Progress Report on the Concentration of Pitchblende

Description: Abstract: "The results of leaching studies on sulphide froth products obtained from the flotation of high-sulphur pitchblende are presented. The distribution of molybdenum in flotation products is also given. The flotation test at Middlesex is evaluated."
Date: December 31, 1950
Creator: Wesner, A. L.; Tangel, O. F. & Richardson, A. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mineralogical Examination of Pitchblende Concentrates and Nitric Acid Digest Residues

Description: This report has two parts to it discussing mineralogical examination of pitchblende concentrates and nitric acid digest residues. Part I gives the results of a cursory examination with the petrographic microscope of samples of pitchblende concentrates and residues to see if there is a relationship between the mineral composition of the samples and the filterability of the residue. Part II gives a revaluation of the data in Report BMI-241 on the mineral composition of two residues from the nitri… more
Date: February 9, 1951
Creator: Scott, D. W.; Tangel, O. F. & Richardson, A. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Progress Report for the Month of November, 1947

Description: This is a progress report on the work of ore tressing and pyrometallurgical studies as well as a study of chemical work on phosphates. This report covers the month of November, 1947.
Date: November 30, 1947
Creator: Center, E. J.; Pray, H. A.; Richardson, A. C. & Sullivan, John D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Progress Report for the Month of April, 1947

Description: This report covers progress in chemical and spectrographic analysis, chemical work, beta-counting methods of analysis, and ore-dressing and pyrometallurgical studies.
Date: April 30, 1947
Creator: Center, E. J.; Nelson, H. R.; Pray, H. A. & Richardson, A. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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