Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Alvia Gaskill"'
Autor:
Alvia Gaskill, David A. Binstock, Thomas R. Copeland, Peter M. Grohse, Percy L. Swift, Paul H. Friedman
The use of microwave energy to facilitate sample decomposition prior to elemental analysis is now receiving considerable attention. Both wet and dry digestions are achievable. When microwave energy is used in combination with acid mixtures in closed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79cf1e59aca6f9b7e0f037fc73fba7ee
https://doi.org/10.1520/stp18973s
https://doi.org/10.1520/stp18973s
A current EPA regulation prohibits the sale for burning in nonindustrial boilers of used oils and oil fuels contaminated above specified levels with total chlorine. Analytical techniques for determining total chlorine were evaluated to provide regula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53bf1525249f7866d56f6423c37569f7
https://doi.org/10.1520/stp18969s
https://doi.org/10.1520/stp18969s
Autor:
David A. Binstock, Charles Sellers, Peter M. Grohse, Kate K. Luk, Howard M. Kingston, Percy L. Swift, Alvia Gaskill
The techniques which are typically used to prepare RCRA wastes for analysis for metals and other elements are generally relatively time consuming, requiring several hours to several days to complete. They also often involve the use of acid digestions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2bf2369c95b77e7690ea1ffd910b7fc
https://doi.org/10.1520/stp18968s
https://doi.org/10.1520/stp18968s
Autor:
Charles Sellers, Alvia Gaskill, Peter Grohse, H. M. Kingston, David A. Binstock, Lois B Jassie
Publikováno v:
Journal of AOAC INTERNATIONAL. 74:360-366
A microwave-assisted method for preparing samples for determination of elements In solid waste has been developed (draft EPA Method 3051). Validation of the sample preparation method was performed through a collaborative study to determine its precis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c6b11a974ac0cd84251cf1ee855d7e4
https://doi.org/10.1093/jaoac/74.2.360
https://doi.org/10.1093/jaoac/74.2.360
Publikováno v:
Journal of Environmental Science and Health . Part A: Environmental Science and Engineering. 12:95-103
Aldrich humic acid was separated into humin, humic acid, and fulvic acid. These fractions and the unfractionated humic material were wet digested and analyzed for Cu, Cd, Cr, Fe, Mn, Ni, Pb and Zn by atomic absorption. Solid samples and digests were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1b93483cad276299aef15747f26f900
https://doi.org/10.1080/10934527709374738
https://doi.org/10.1080/10934527709374738
Autor:
R. K. M. Jayanty, Alvia Gaskill
Publikováno v:
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes. 16(4)
A quality assurance program was developed for two grantee laboratories studying the herbicides atrazine and linuron in Chesapeake Bay water. Proposed methodologies were evaluated by performance and systems audits. The objectives of the quality assura
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::690389c54be3aabb5e16df1810db2b03
https://pubmed.ncbi.nlm.nih.gov/7288096
https://pubmed.ncbi.nlm.nih.gov/7288096
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