Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Robert B Grorud"'
Autor:
Timothy S. Stevens, Robert B Grorud
Publikováno v:
Journal of AOAC INTERNATIONAL. 62:738-741
A high pressure liquid chromatographic (HPLC) assay of amine salt and ester formulations of MCPA has been collaboratively studied. The AOAC 2,4-D HPLC method has been modified for application to MCPA products. The MCPA methodology is identical to tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::300df7a16154829d9dcc8b5b67c0e285
https://doi.org/10.1093/jaoac/62.4.738
https://doi.org/10.1093/jaoac/62.4.738
Autor:
S W King, E Hodgins, P D Lonn, Timothy S. Stevens, Cathy Wedelstaedt, T Harris, Robert B Grorud, B Bennett
Publikováno v:
Journal of AOAC INTERNATIONAL. 66:1390-1394
As a replacement for the present mercury reagent titration assay for dalapon grasskiller products, a liquid chromatographic method has been developed and collaboratively studied. The method separates the active ingredient, 2,2-dichloropropionic acid,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56eca51ac4e1eec68d4abe6cec5caa35
https://doi.org/10.1093/jaoac/66.6.1390
https://doi.org/10.1093/jaoac/66.6.1390
Autor:
M W Law, W Klimstra, L Rivera, Robert B Grorud, C Jones, G S Grimes, D L Wong, Timothy S. Stevens, J R Fisher, D R Meyer, R W Plunkett, E Hodgins, C Barry, G MacEachern, L Hageman, T S Stevens
Publikováno v:
Journal of AOAC INTERNATIONAL. 63:873-878
HPLC methodology for ester and salt formulations of 2 methyl-4-chlorophenoxyacetic acid (MCPA) and 2,4,5-trichlorophenoxyacetic acid (2,4,5-TA) has been substantiated in 2 collaborative studies. The methods closely follow the AOAC method for 2,4-dich
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5f7b8d76b86da73dba95cdc4120d122
https://doi.org/10.1093/jaoac/63.4.873
https://doi.org/10.1093/jaoac/63.4.873
Autor:
Robert B Grorud, John E Forrette
Publikováno v:
Journal of AOAC INTERNATIONAL. 66:1220-1225
A high pressure liquid chromatographic method has been developed for liquid herbicide combinations that contain different combinations of 3 active ingredients including 2,4-dichlorophenoxyacetic acid (2,4-D), 2-(2-methyl-4-chlorophenoxy)propionic aci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3d46f1118a47947fe4eba2d040656ff
https://doi.org/10.1093/jaoac/66.5.1220
https://doi.org/10.1093/jaoac/66.5.1220
Autor:
E Hodgins, J Diuquid, J M Bajovich, Robert B Grorud, R L Bath, J L Counts, John E Forrette, J L Billings, B E Foster, Timothy S. Stevens, J B Vernetti, R W Stringham
Publikováno v:
Journal of AOAC INTERNATIONAL. 67:837-839
A liquid chromatographic method for any liquid mixture of the 3 herbicides 2,4-D, MCPP, and dicamba, found in commercial formulations, has been collaboratively studied. Each collaborator received 4 samples, 3 of which were ternary formulations and on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77bb60d5c39684e3598c466d603cdd19
https://doi.org/10.1093/jaoac/67.4.837
https://doi.org/10.1093/jaoac/67.4.837
Publikováno v:
Journal of AOAC INTERNATIONAL. 61:1163-1165
A high pressure liquid chromatographic (HPLC) assay of ester and salt formulations of 2,4-D has been collaboratively studied. The method is specific for 2,4-D isomer and resolves all known impurities from 2,4-D and the internal standard p-bromophenol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79f9b9b7351c0e1a43508b134bb45913
https://doi.org/10.1093/jaoac/61.5.1163
https://doi.org/10.1093/jaoac/61.5.1163
Autor:
Robert B Grorud, J B Audino, Willard G Boyd, A A Carlstrom, John E Forrette, D Clarke, B R Bennett, C J Cohen, J Looker, G T Gale, A L Rozek
Publikováno v:
Journal of AOAC INTERNATIONAL. 64:1185-1186
An infrared method was developed for the analysis of Probe 75% wettable powder formulation for methazole content. The procedure involves an extraction of the powder by agitation with acetone. The suspension is centrifuged, and the clear supernatant l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6185cc07ea21a85820147d2fcc56cf9e
https://doi.org/10.1093/jaoac/64.5.1185
https://doi.org/10.1093/jaoac/64.5.1185
Autor:
Robert B Grorud
Publikováno v:
Journal of AOAC INTERNATIONAL. 69:929-930
Lindane from liquid insecticide-fungicide formulations containing lindane with maneb can be determined by gas chromatography using 3% OV-1 or 5% SE-30 columns. Lindane is extracted with acetone, and an aliquot is diluted to volume with anhydrous meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8d1766e16a90e7f1d490fe560a14ddd
https://doi.org/10.1093/jaoac/69.6.929
https://doi.org/10.1093/jaoac/69.6.929