Multielement analysis by high-performance liquid chromatography following solvent extraction with acetylacetone
Journal Article
·
· Anal. Chem.; (United States)
The high-performance liquid chromatographic behavior of acetylacetone (AA) metal chelates was investigated with silica gel, C/sub 18/, C/sub 8/, and phenyl (Ph) columns. AA chelates of Cu, Be, Al, Ga, Pd, and Fe have been separated by Cosmosil 5 C/sub 18/, 5 C/sub 8/, and 5 Ph columns, while Cu, Pd, and Fe chelates were separated by Cosmosil 5 SL (silica gel) and LiChrosorb RP-18, RP-8, and Si 60 columns. log-log calibration curves for Cu, Fe, and Pd were made with the above seven columns after solvent extraction of the metals at pH 5 from 50-mL aqueous solutions into dichloromethane as AA chelates. The best calibration curves were obtained by use of the Cosmosil 5 C/sub 1/(. The linear concentration range of each metal by the Cosmosil 5 C/sub 18/ column was 10 ng/mL (ppb) to 20 ..mu..g/mL (ppm) for Cu, 5 ppb to 10 ppm for Fe, and 5 ppb to 10 ppm for Pd with a correlation coefficient of more than 0.9995. The presented method has been applied to the determination of Cu and Fe in water.
- Research Organization:
- Hokuriku Univ., Kanazawa (Japan)
- OSTI ID:
- 6661327
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 60:19; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACETYLACETONE
CHELATES
CHELATING AGENTS
CHEMICAL ANALYSIS
CHROMATOGRAPHY
COMPLEXES
COPPER
DATA
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
IRON
KETONES
LIQUID COLUMN CHROMATOGRAPHY
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
QUANTITATIVE CHEMICAL ANALYSIS
REAGENTS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENT PROPERTIES
TRACE AMOUNTS
TRANSITION ELEMENTS
WATER
400102 -- Chemical & Spectral Procedures
400105* -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACETYLACETONE
CHELATES
CHELATING AGENTS
CHEMICAL ANALYSIS
CHROMATOGRAPHY
COMPLEXES
COPPER
DATA
ELEMENTS
EXPERIMENTAL DATA
EXTRACTION
HYDROGEN COMPOUNDS
INFORMATION
IRON
KETONES
LIQUID COLUMN CHROMATOGRAPHY
METALS
NUMERICAL DATA
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
QUANTITATIVE CHEMICAL ANALYSIS
REAGENTS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENT PROPERTIES
TRACE AMOUNTS
TRANSITION ELEMENTS
WATER