Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Marvin J. Fishman"'
Publikováno v:
Open-File Report.
Publikováno v:
Open-File Report.
Autor:
Marvin W. Skougstad, Marvin J. Fishman
Publikováno v:
Toxicological & Environmental Chemistry Reviews. 2:219-236
Inorganic pollution comprises both major and minor constituents, although only 12 chemical elements may be considered major components. Twenty‐eight elements constitute a group of common minor elements and an additional 13 elements comprise a group
Publikováno v:
Journal of AOAC INTERNATIONAL. 69:704-708
Each U.S. Geological Survey water quality laboratory evaluated one of 2 background correction techniques: Zeeman and deuterium. A L’vov-type platform was used to determine cadmium, chromium, cobalt, copper, lead, manganese, nickel, and zinc in low
Autor:
Marvin J. Fishman, Linda C. Friedman, LeRoy J. Schroder, Arthur G. Hedley, Carlos E. Arozarena
Publikováno v:
Water Research. 19:497-501
Surface, atmospheric precipitation and deionized water samples were spiked with μg l−1 concentrations of bromide, and the solutions stored in polyethylene and polytetrafluoroethylene bottles. Bromide was determined periodically for 30 days. Automa
Publikováno v:
International Journal of Environmental Studies. 26:231-238
Mercuric ion, sulfuric acid, and chloroform were examined as preservatives for nitrogen and phosphorus species in water samples containing biologically active microorganisms. Chilling at 4°C without addition of a chemical preservative also was exami
Autor:
Roberto. Spencer, Marvin J. Fishman
Publikováno v:
Analytical Chemistry. 49:1599-1602
Autor:
Marvin W. Skougstad, Marvin J. Fishman
Publikováno v:
Analytical Chemistry. 35:179-204
Publikováno v:
Journal - American Water Works Association. 56:633-638
NITRATE inorganic is combined a prevalent nitrogen form of in inorganic ombined nitrogen in water and ordinarily is present in concentrations ranging from a few tenths of a part per million to several parts per million, except in polluted water where
Autor:
Marvin J. Fishman, Billy P. Robinson
Publikováno v:
Analytical Chemistry. 41:323-360