High-speed ion-exchange separations prior to neptunium, plutonium, and impurity assays
Separation of actinides and/or impurities prior to assay is required when sample matrix components interfere with the assay method. Separations frequently must be performed in glove boxes or shielded and analytical cells due to high levels of alpha/beta-gamma radioactivity. Conventional ion-exchange separations are typically more effective and quantitative than solvent extraction, but are prohibitively slow for routine application. At the Savannah River Plant, effective ion-exchange purifications of process samples are now performed with a modified commercial vacuum extraction system. The combination of relatively small-size ion-exchange resin particles and applied vacuum provides rapid, efficient, quantitative separations. High-speed ion exchange has been successfully applied at SRP to the separation of neptunium from plutonium and to the separation of trace impurities from uranium product solutions prior to neptunium and impurity assays by direct current argon plasma (DCAP) emission spectrometry. This paper will describe several separations and will present details of developed procedures and subsequent assays.
- Research Organization:
- Du Pont de Nemours (E.I.) and Co., Aiken, SC (USA). Savannah River Plant
- DOE Contract Number:
- AC09-76SR00001
- OSTI ID:
- 6909380
- Report Number(s):
- DP-MS-86-90; CONF-860944-6; ON: DE88014299
- Resource Relation:
- Conference: 29. conference on analytical chemistry in energy technology, Knoxville, TN, USA, 29 Sep 1986; Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
Similar Records
High speed ion exchange techniques for neptunium, plutonium, and uranium impurity assays
THE DETERMINATION OF NITROGEN, AMERICIUM, NEPTUNIUM, AND URANIUM IN P.P.M. QUANTITIES IN PURE PLUTONIUM
Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
ACTINIDES
ION EXCHANGE
SEPARATION PROCESSES
NEPTUNIUM
PLUTONIUM
EMISSION SPECTROSCOPY
IMPURITIES
PUREX PROCESS
SAVANNAH RIVER PLANT
ELEMENTS
METALS
NATIONAL ORGANIZATIONS
REPROCESSING
SPECTROSCOPY
TRANSURANIUM ELEMENTS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
400105* - Separation Procedures
050800 - Nuclear Fuels- Spent Fuels Reprocessing