Výsledky vyhledávání - "Jim R Holcomb"

Multiresidue Analysis of 102 Organophosphorus Pesticides in Produce at Parts-per-Billion Levels Using a Modified QuEChERS Method and Gas Chromatography with Pulsed Flame Photometric Detection

Autor: Chenseng Lu, Frank J Schenck, LaTonya M. Mitchell, Jing Li, Jon W. Wong, Jim R Holcomb

Publikováno v: Journal of AOAC INTERNATIONAL. 92:561-573

A multiresidue method for the analysis of organophosphorus pesticides in fresh produce at levels down to 1.0 g/kg (ppb) has been developed using a modification of the QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure. The procedure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e1c8955b9a4462935ee510ac28d1084
https://doi.org/10.1093/jaoac/92.2.561

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Single-Laboratory Validation of a Method for the Determination of Furan in Foods by Using Headspace Gas Chromatography/Mass Spectrometry, Part 2Low-Moisture Snack Foods

Autor: Patricia J Nyman, Gregory W. Diachenko, Jim R Holcomb, Kim M. Morehouse, Gracia A. Perfetti

Publikováno v: Journal of AOAC INTERNATIONAL. 91:414-421

In 2004, a quantitative headspace (HS) gas chromatographic/mass spectrometric method was developed and used to determine furan in approximately 300 foods. This method was modified and validated for the determination of furan in low-moisture snack foo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a0fd044ea7c93cc719ea5b43a1e3716
https://doi.org/10.1093/jaoac/91.2.414

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Quadrupole ion storage tandem mass spectrometry and high-resolution mass spectrometry: complementary application in the measurement of 2,3,7,8-chlorine substituted dibenzo-p-dioxins and dibenzofurans in US foods

Autor: Virginia Spencer, Mark Harris, Robert Glidden, Douglas G. Hayward, Jim R Holcomb, Paige Wilson

Publikováno v: Chemosphere. 43:407-415

The US Food and Drug Administration has simultaneously utilized both high-resolution mass spectrometry (HRMS) and quadrupole ion storage tandem mass spectrometry (QISTMS) in the measurement of polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d463be3ad96f394860afdf4300782000
https://doi.org/10.1016/s0045-6535(00)00388-x

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Multiresidue analysis of 102 organophosphorus pesticides in produce at parts-per-billion levels using a modified QuEChERS method and gas chromatography with pulsed flame photometric detection

Autor: Frank, Schenck, Jon, Wong, Chenseng, Lu, Jing, Li, Jim R, Holcomb, LaTonya M, Mitchell

Publikováno v: Journal of AOAC International. 92(2)

A multiresidue method for the analysis of organophosphorus pesticides in fresh produce at levels down to 1.0 microg/kg (ppb) has been developed using a modification of the QuEChERS (quick, easy, cheap, effective, rugged, and safe) procedure. The proc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::ecce1707c898bcb9d6c13fa7aaaacf65
https://pubmed.ncbi.nlm.nih.gov/19485217

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