Zobrazeno 1 - 10
of 13
pro vyhledávání: '"William A Steller"'
Autor:
Steven J. Stout, William A Steller
Publikováno v:
Biological Mass Spectrometry. 11:207-210
Both the advantages and limitations of gas chromatography negative ion chemical ionization (NICI) mass spectrometry arise from the technique's close similarity to gas chromatography using a conventional electron capture detector (ECD). The specificit
Autor:
B J Boone, D W Fink, William A Steller, F. W. Quackenbush, A J Malanoski, J Winbush, E Smith, M Ihnat, C J Dahl, S A Katz, Richard H Albert, W Caspary, E Stoddard, B K Thompson, K McCully, A Munson, J O’Rangers, L Williams, H S Ragheb, E M Glocker, Leonard Stoloff, H Egan, S Sherkin, J Winter, P R Caudill, William Horwitz, E S Windham, Other Members, M Margosis, T Dols, Bernard H Armbrecht, Richard L Ellis, R. Grappin
Publikováno v:
Journal of AOAC INTERNATIONAL. 66:455-466
Autor:
Arthur J Manuel, William A Steller
Publikováno v:
Journal of AOAC INTERNATIONAL. 64:794-799
A gas-liquid chromatographic (GLC) method is described for determining sulfonamide residues in animal tissues, with specificity for 7 sulfonamides. Residues are extracted from tissues with acetonechloroform, fatty substances are removed, and the sulf
Autor:
Richard H Albert, Bartholomew J Puma, William A Steller, Wendell F Phillips, Gerald R Myrdal, Anthony J Malanoski, Kenneth Helrich, Henry F Enos, Jerry A Burke
Publikováno v:
Journal of AOAC INTERNATIONAL. 66:423-431
Publikováno v:
Journal of AOAC INTERNATIONAL. 68:71-75
Residue methodology is described for the determination of AC 217,300 residues in pasture grass and crop samples. After extraction and subsequent cleanup on an XAD-2 column, residues of AC 217,300 are determined by liquid chromatography (LC), using a
Autor:
Richard H Albert, Bartholomew J Puma, William A Steller, Wendell F Phillips, Gerald R Myrdal, Kenneth Helrich, Henry F Enos, Jerry A Burke
Publikováno v:
Journal of AOAC INTERNATIONAL. 67:415-421
Autor:
Jerry A Burke, Bartholomew J Puma, Richard H Albert, Henry F. Enos, Wendell F Phillips, Richard L Ellis, Richard D. Schmitt, William A Steller, Gerald R Myrdal, Kenneth Helrich
Publikováno v:
Journal of AOAC INTERNATIONAL. 61:395-399
Autor:
Richard H Albert, Bartholomew J Puma, William A Steller, Richard Schmitt, Wendell F Phillips, William G Fong, Paul E Corneliussen, Kenneth W Boyer, Gerald R Myrdal
Publikováno v:
Journal of AOAC INTERNATIONAL. 72:126-129
Autor:
A X Curry, William A Steller
Publikováno v:
Journal of AOAC INTERNATIONAL. 47:645-651
A total phosphorus method incorporating thin-layer chromatographic isolation is described for the determination of Cygon Insecticide (generic name, dimethoate) and its oxygen analog. Residues of the insecticides are extracted from macerated plant tis
Autor:
N R Pasarela, William A Steller
Publikováno v:
Journal of AOAC INTERNATIONAL. 55:1280-1287
Residues of both dimethoate and dimethoxon are extracted from finely chopped plant or animal tissues with methylene chloride. The resulting extract is concentrated and cleaned up by silica gel chromatography, if necessary. The concentrate is injected