Zobrazeno 1 - 10
of 37
pro vyhledávání: '"H P Burchfield"'
Autor:
H. P. Burchfield
Publikováno v:
World Journal of Microbiology and Biotechnology. 15:653-668
In 1974, scientists at Gulf South Research Institute (GSRI) in New Iberia, Louisiana, showed that armadillos experimentally infected with leprosy could produce 1014 bacilli per animal within two years. These vast numbers inspired World Health Organiz
Autor:
H. P. Burchfield, Eleanor E. Storrs
Publikováno v:
Journal of Chromatographic Science. 13:202-211
Extraction and cleanup methods used for the analysis of organophosphate pesticides are similar to those used for chlorinated hydrocarbons but differ in some important details. Many organophosphates are lost during extraction of acetonitrile solutions
Publikováno v:
Journal of Chromatography A. 99:697-708
A gas-phase isolation and injection system has been devised that completely eliminates the need for solvents in the preparation of polynuclear arene-containing air particulate samples for analysis by gas-liquid chromatography. The entire package cons
Autor:
R J Wheeler, H P Burchfield
Publikováno v:
Journal of AOAC INTERNATIONAL. 49:651-661
Microcoulometry provides an absolute and stoichiometric measure of chlorine, sulfur, and phosphorus in pesticides. The practical limit of detection of most pesticides containing these ions is 0.01–0.1 µg with the Dohrmann Model C-100; with the Mod
Autor:
D. K. Gullstrom, H. P. Burchfield
Publikováno v:
Analytical Chemistry. 20:1174-1177
Autor:
H. P. Burchfield, Albert Hartzell
Publikováno v:
Journal of Economic Entomology. 48:210-214
Autor:
H. P. Burchfield
Publikováno v:
Industrial & Engineering Chemistry Analytical Edition. 17:806-810
To eliminate processing difficulties and ensure the production of standard natural and synthetic rubber reclaims, the scrap used as the raw material must be carefully segregated. When mold markings are lost, or large consignments of miscellaneous scr
Publikováno v:
Journal of Chromatographic Science. 3:28-34