Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

NIOSHTIC-2 Publications Search

Search Results

Interaction of coal dusts with essential metals.

Authors
Petering-HG
Source
Kettering Laboratory, Department of Environmental Health, College of Medicine, University of Cincinnati 1974 Jan; :1-18
Link
NIOSHTIC No.
00052662
Abstract
Tests were performed to determine the content of cadmium (7440439), copper (7440508), iron (7439896), nickel (7440020), lead (7439921) and zinc (7440666) in coal dust, and the removal of these metals from the coals using organic and aqueous solvents. The fractions containing organic compounds were removed by leaching the coals with organic as well as aqueous acidic and basic solvents. The organic solvent leached fractions were worked up to obtain the chelating components. These were then purified by removing metal contaminants. The bases and acids contained in these fractions were then demonstrated to have chelating activity. The organic, acid and base soluble components of the above fractions were then used to demonstrate inhibition of the metal dependent enzyme, galactose oxidase. Finally, an attempt was made to determine how much of these materials can be obtained from the two coals under mild and rigorous exhaustive conditions of removal. Since the organic leaching is done at room temperature and under non-hydrolytic conditions this may be the method of choice to remove intact coal components.
Keywords
NIOSH-Grant; Grants-other; Trace-metals; Trace-analysis; Heavy-metals; Solvent-extraction; Enzyme-activity; Biochemical-reactions; Enzymatic-inhibition; Biochemical-effects; Analytical-methods; Dust-analysis; Microanalysis;
Contact
Environmental Health University of Cincinnati Eden & Bethesda Avenues Cincinnati, Ohio 45219
CAS No.
7440-43-9; 7440-50-8; 7439-89-6; 7440-02-0; 7439-92-1; 7440-66-6;
Publication Date
19740101
Document Type
Final Grant Report
Funding Amount
157833
Funding Type
Grant
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00355
NIOSH Division
OEp
Priority Area
Other Occupational Concerns; Grants-other
Source Name
Kettering Laboratory, Department of Environmental Health, College of Medicine, University of Cincinnati
State
OH
Performing Organization
University of Cincinnati, Cincinnati, Ohio
TOP