Analysis of trace metals in water by inductively coupled plasma emission spectrometry using sodium dibenzyldithiocarbamate for preconcentration
Journal Article
·
· Anal. Lett.; (United States)
Since concentrations of trace elements in most natural waters seldom exceed the ..mu..g/L level, analysis of trace elements in natural waters by inductively coupled plasma emission spectrometry (ICP) requires a preconcentration procedure. The elements Ag, Bi, Cd, Co, Cu, Fe, Mo, Ni, Pb, Sn, V, W, and Zn were separated and concentrated from 500 mL of water by coprecipitating them with sodium dibenzyldithiocarbamate (NaDBDTC) using nickel or silver as a carrier. The precipitated trace elements were collected on a membrane filter, redissolved from the filter with hot nitric acid and hydrochloric acids, and analyzed using ICP. Recoveries for all the trace elements except tungsten exceeded 80%. Coprecipitation of trace elements with NaDBDTC eliminated the use of difficult-to-inject organic solvents, and NaDBDTC coprecipitated a wider array of trace elements than ammoniumpyrrolidinedithiocarbamate (APDC), another commonly used coprecipitate.
- Research Organization:
- Geological Survey, Denver, CO
- OSTI ID:
- 6066803
- Journal Information:
- Anal. Lett.; (United States), Journal Name: Anal. Lett.; (United States) Vol. 17:A15; ISSN ANALB
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:6108495
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
400105 -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
BISMUTH
CADMIUM
CHEMICAL ANALYSIS
COBALT
COPPER
DATA
ELEMENTS
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
FRESH WATER
HYDROGEN COMPOUNDS
INFORMATION
IRON
LEAD
METALS
MOLYBDENUM
NICKEL
NUMERICAL DATA
OXYGEN COMPOUNDS
PRECIPITATION
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
SILVER
SPECTROSCOPY
TIN
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
WATER
ZINC
400104* -- Spectral Procedures-- (-1987)
400105 -- Separation Procedures
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
BISMUTH
CADMIUM
CHEMICAL ANALYSIS
COBALT
COPPER
DATA
ELEMENTS
EMISSION SPECTROSCOPY
EXPERIMENTAL DATA
FRESH WATER
HYDROGEN COMPOUNDS
INFORMATION
IRON
LEAD
METALS
MOLYBDENUM
NICKEL
NUMERICAL DATA
OXYGEN COMPOUNDS
PRECIPITATION
QUANTITATIVE CHEMICAL ANALYSIS
SEPARATION PROCESSES
SILVER
SPECTROSCOPY
TIN
TRANSITION ELEMENTS
TUNGSTEN
VANADIUM
WATER
ZINC