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, Khanh T Nguyen Sandoz Agro , Inc., Animal Health Division, 12200 Denton Dr, Dallas, TX 75234 Search for other works by this author on: Oxford Academic Richard Moorman Sandoz Agro , Inc., Animal Health Division, 12200 Denton Dr, Dallas, TX 75234 Search for other works by this author on: Oxford Academic Virginia Kuykendall Sandoz Agro , Inc., Animal Health Division, 12200 Denton Dr, Dallas, TX 75234 Search for other works by this author on: Oxford Academic
Journal of AOAC INTERNATIONAL, Volume 81, Issue 3, 1 May 1998, Pages 503–512, https://doi.org/10.1093/jaoac/81.3.503
Published:
14 January 2020
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Received:
13 June 1997
Published:
14 January 2020
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Khanh T Nguyen, Richard Moorman, Virginia Kuykendall, Collaborators: , Determination of N-Octyl Bicycloheptene Dicarboximide, Pyrethrins, and Butylcarbityl 6-Propylpiperonyl Ether in Technical Materials, Concentrates, and Finished Products by Capillary Gas Chromatography: Collaborative Study, Journal of AOAC INTERNATIONAL, Volume 81, Issue 3, 1 May 1998, Pages 503–512, https://doi.org/10.1093/jaoac/81.3.503
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abstract
Nineteen collaborating laboratories (including the authors') analyzed 6 blind, duplicate pairs of various technical materials, pyrethrum extracts, concentrates, and finished products by split injection capillary gas chromatography (GC) with flame ionization detection. This procedure simultaneously quantitates with speed, ease, accuracy, and precision all 6 insecticidal compounds in pyrethrum: pyrethrin I, jasmolin I, cinerin I, pyrethrin II, jasmolin II, and cinerin II, as well as butylcarbityl 6-propylpiperonyl ether (BPE, the predominant compound in technical piperonyl butoxide, also commonly known as piperonyl butoxide) and both the endo and exo isomers of N-octyl bicycloheptene dicarboximide (MGK 264). Repeatability ranged from 4.28 to 7.22% for total pyrethrins, from 2.41 to 7.04% for BPE, and from 2.20 to 4.91 % for total MGK 264. Reproducibility ranged from 5.22 to 9.71 % for total pyrethrins, from 4.37 to 7.04% for BPE, and from 2.66 to 6.01 % for total MGK 264. The capillary GC method for these insecticidal compounds in technical materials, concentrates, and finished products has been adopted first action by AOAC INTERNATIONAL.
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Issue Section:
Agricultural Materials
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