Extractant composition

Patent · Sun Dec 31 23:00:00 EST 1989

OSTI ID:867367

Smith, Barbara F ^[1]; Jarvinen, Gordon D ^[1]; Ryan, Robert R ^[1]

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1. Los Alamos, NM

An organic extracting solution useful for separating elements of the actinide series of the periodic table from elements of the lanthanide series, where both are in trivalent form. The extracting solution consists of a primary ligand and a secondary ligand, preferably in an organic solvent. The primary ligand is a substituted monothio-1,3-dicarbonyl, which includes a substituted 4-acyl-2-pyrazolin-5-thione, such as 4-benzoyl-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-thione (BMPPT). The secondary ligand is a substituted phosphine oxide, such as trioctylphosphine oxide (TOPO).

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM
• DOE Contract Number: W-7405-ENG-36
• Assignee: United States of America as represented by United States (Washington, DC)
• Patent Number(s): US 4923630
• OSTI ID: 867367
• Country of Publication: United States
• Language: English

Related Subjects

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3-dicarbonyl
4-acyl-2-pyrazolin-5-thione
4-benzoyl-2
4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-thione
actinide
actinide series
bmppt
composition
consists
elements
extractant
extracting
extracting solution
form
lanthanide
lanthanide series
ligand
monothio-1
organic
organic extracting
organic solvent
oxide
periodic
periodic table
phosphine
phosphine oxide
preferably
primary
secondary
separating
separating elements
series
solution
solution consists
solvent
substituted
table
topo
trioctylphosphine
trioctylphosphine oxide
trivalent
trivalent form
useful
valent form