Determination of aluminum, copper, iron and lead in glycol formulations by atomic absorption spectroscopy
Initial screening tests and the results obtained in developing procedures to determine Al, Cu, Fe, and Pb in glycol formulations are described. Atomic absorption completion was selected for Cu, Fe and Pb, and after comparison with emission spectroscopy, was selected for Al also. Before completion, carbon, iron, and lead are extracted with diethyldithiocarbamate (DDC) into methyl isobutyl ketone (MIBK). Aluminum was also extracted into MIBK using 8-hydroxyquinoline as a chelating agent. As little as 0.02 mg/l carbon and 0.06 mg/l lead or iron may be determined in glycol formulations. As little as 0.3 mg/l aluminum may be determined.
- Research Organization:
- Houston Chemical Corp., Corpus Christi, TX (USA)
- DOE Contract Number:
- EX-76-A-29-1037
- OSTI ID:
- 6876637
- Report Number(s):
- DOE/NASA/CR-150520
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
141000* -- Solar Collectors & Concentrators
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ABSORPTION SPECTROSCOPY
ALCOHOLS
ALUMINIUM
AZINES
CARBAMATES
CARBON
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
CHELATING AGENTS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
COPPER
CORROSION
DEDTC
ELEMENTS
EMISSION SPECTROSCOPY
FLUIDS
GLYCOLS
HEAT TRANSFER FLUIDS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
IRON
KETONES
LEAD
METALS
METHYL ISOBUTYL KETONE
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXINE
PYRIDINES
QUANTITATIVE CHEMICAL ANALYSIS
QUINOLINES
SPECTROSCOPY
TRANSITION ELEMENTS
141000* -- Solar Collectors & Concentrators
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ABSORPTION SPECTROSCOPY
ALCOHOLS
ALUMINIUM
AZINES
CARBAMATES
CARBON
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
CHELATING AGENTS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
COPPER
CORROSION
DEDTC
ELEMENTS
EMISSION SPECTROSCOPY
FLUIDS
GLYCOLS
HEAT TRANSFER FLUIDS
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
IRON
KETONES
LEAD
METALS
METHYL ISOBUTYL KETONE
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXINE
PYRIDINES
QUANTITATIVE CHEMICAL ANALYSIS
QUINOLINES
SPECTROSCOPY
TRANSITION ELEMENTS