Published February 1986 | Version v1
Journal article Metadata-only

The determination of 227Ac in La2O3 by extraction-liquid scintilation counting method

Creators

  • 1. Qinghua Univ., Beijing (China). Inst. of Nuclear Energy Technology

Description

A method is described for the determination of 227Ac in La2O3 by solvent extraction-liquid scintilation counting. The sample is dissolved with 2.5 N HNO3 and extracted by 5% HEHEHP-toluene, 227Ac being present in the aqueous phase. The aqueous phase is allowed to stand for 5-15 days for the growth of 227Th. Then 227Th is extracted by HEHEHP (5%)-PPO (4.5g/1)-toluene and determined by liquid scintilation counting. The amounts of 227Ac in La2O3 can be calculated from the amounts of 227Th determined. The results indicate that this method is accurate and reliable and is less time and labor consuming than other methods

Additional details

Publishing Information

Journal Title
J. Nucl. Radiochem.
Journal Volume
8
Journal Issue
1
Series
J. Nucl. Radiochem.
Journal Page Range
20-25
ISSN
0253-9950
CODEN
HHHHD

INIS

Country of Publication
China
Country of Input or Organization
China
INIS RN
18054842
Subject category
S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
Descriptors DEI
ACCURACY; ACTINIUM 227; ALPHA SPECTROSCOPY; DAUGHTER PRODUCTS; LANTHANUM OXIDES; OXAZOLES; PHOSPHORIC ACID ESTERS; RADIOMETRIC ANALYSIS; SCINTILLATION COUNTING; SOLVENT EXTRACTION; THORIUM 227; TOLUENE
Descriptors DEC
ACTINIDE NUCLEI; ACTINIUM ISOTOPES; ALPHA DECAY RADIOISOTOPES; AROMATICS; AZOLES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CHALCOGENIDES; CHEMICAL ANALYSIS; COUNTING TECHNIQUES; DAYS LIVING RADIOISOTOPES; ESTERS; EVEN-ODD NUCLEI; HEAVY NUCLEI; HETEROCYCLIC COMPOUNDS; HYDROCARBONS; INTERNAL CONVERSION RADIOISOTO; ISOTOPES; LANTHANUM COMPOUNDS; NUCLEI; ODD-EVEN NUCLEI; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; ORGANIC PHOSPHORUS COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; QUANTITATIVE CHEMICAL ANALYSIS; RADIOISOTOPES; RARE EARTH COMPOUNDS; SEPARATION PROCESSES; SPECTROSCOPY; THORIUM ISOTOPES; YEARS LIVING RADIOISOTOPES