Fluorimetric determination of trace amounts of scandium with Di-2-pyridyl-ketone 2-furoylhydrazone
Journal Article
·
· Analytical Letters; (United States)
- Univ. of Malaga (Spain)
The reaction of Di-2-pyridyl-ketone 2-furoylhydrazone (DPFH) with scandium in an aqueous ethanolic medium (4% v/v of ethanol) has been studied. A spectrofluorometric method based on the formation of a fluorescent complex is proposed for the determination of scandium. With excitation at 387 nm, the scandium(III) chelate has an emission maximum at 492 nm; the reaction is carried out at pH 6.5-7.5. The accuracy and precision of the method are demonstrated by the analysis of synthetic mixtures containing various amounts of scandium. 10 - 140 ng/ml of scandium can be determined with a relative error of {plus minus}1.3%.
- OSTI ID:
- 5543863
- Journal Information:
- Analytical Letters; (United States), Vol. 23:8; ISSN 0003-2719
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
SCANDIUM
FLUORESCENCE SPECTROSCOPY
AQUEOUS SOLUTIONS
AROMATICS
EXPERIMENTAL DATA
HYDRAZONES
INTERFERING ELEMENTS
IONS
KETONES
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PH VALUE
QUANTITATIVE CHEMICAL ANALYSIS
ROCKS
SAMPLE PREPARATION
STANDARDS
TRACE AMOUNTS
CHARGED PARTICLES
CHEMICAL ANALYSIS
DATA
DISPERSIONS
ELEMENTS
EMISSION SPECTROSCOPY
INFORMATION
METALS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
SOLUTIONS
SPECTROSCOPY
TRANSITION ELEMENTS
400102* - Chemical & Spectral Procedures
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
SCANDIUM
FLUORESCENCE SPECTROSCOPY
AQUEOUS SOLUTIONS
AROMATICS
EXPERIMENTAL DATA
HYDRAZONES
INTERFERING ELEMENTS
IONS
KETONES
ORGANIC NITROGEN COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PH VALUE
QUANTITATIVE CHEMICAL ANALYSIS
ROCKS
SAMPLE PREPARATION
STANDARDS
TRACE AMOUNTS
CHARGED PARTICLES
CHEMICAL ANALYSIS
DATA
DISPERSIONS
ELEMENTS
EMISSION SPECTROSCOPY
INFORMATION
METALS
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
SOLUTIONS
SPECTROSCOPY
TRANSITION ELEMENTS
400102* - Chemical & Spectral Procedures