Selective extraction of Hg(II) from aqueous mineral acid solution containing iodide ions using 2-benzylpyridine in benzene
Creators
- 1. Pakistan Inst. of Nuclear Science and Technology, Islamabad (Pakistan). Nuclear Chemistry Div.
Description
A method for the selective extraction of mercury has been developed. The extraction of Hg(II) by 2-benzylpyridine (BPy) in benzene from dilute mineral acid solution containing iodide ions has been investigated, and variables such as concentration of acids, iodide and the extractant have been optimized. The optimum conditions for the extraction of Hg(II) by 0.1M BPy/benzene are: 0.01M (HCl, HNO3, H2SO4)+0.01M KI. The distribution coefficients and separation factors of 19 elements relative to Hg(II), have been reported. Effect of anions such as ascorbate, acetate, citrate, oxilate and thiosulfate has also been studied. The method developed could find useful applications in selective extraction of small amounts of mercury from environmental samples. (author) 10 refs.; 5 figs.; 1 tab
Additional details
Publishing Information
- Journal Title
- Journal of Radioanalytical and Nuclear Chemistry
- Journal Volume
- 159
- Journal Issue
- 1
- Journal Page Range
- p. 13-20.
- ISSN
- 0236-5731
- CODEN
- JRNCDM
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 24028999
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- AQUEOUS SOLUTIONS; BENZENE; DISTRIBUTION FUNCTIONS; EXPERIMENTAL DATA; INORGANIC ACIDS; IODINE IONS; MERCURY COMPLEXES; MERCURY 203; OPTIMIZATION; PYRIDINIUM COMPOUNDS; SOLVENT EXTRACTION; TRACER TECHNIQUES
- Descriptors DEC
- AMINES; AROMATICS; AZINES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CHARGED PARTICLES; COMPLEXES; DATA; DAYS LIVING RADIOISOTOPES; DISPERSIONS; EVEN-ODD NUCLEI; HEAVY NUCLEI; HETEROCYCLIC COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROCARBONS; HYDROGEN COMPOUNDS; INFORMATION; INORGANIC COMPOUNDS; IONS; ISOTOPE APPLICATIONS; ISOTOPES; MERCURY ISOTOPES; MIXTURES; NUCLEI; NUMERICAL DATA; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; PYRIDINES; QUATERNARY COMPOUNDS; RADIOISOTOPES; SEPARATION PROCESSES; SOLUTIONS