Aspects of production and control of microcapsulated insecticide compositions. II. Analytical determination of insecticidal substances by chromatographic methodsNosikova L.A., Ph.D. (Chemistry), senior researcher A.N. Frumkin Institute of Physical Chemistry and Electrochemistry of the Russian Academy of Sciences(IPCE RAS), (31, Leninsky Pr, Moscow, 119991, Russia); associate professor M. V. Lomonosov Institute of Fine Chemical Technologies, Russia Technological University (86, Vernadskogo Pr., Moscow, 119571, Russia), E-mail:
nosikova_lyubov@mail.ru., ResearcherID 679715. ORCID ID 0000-0002-4144-5343.
Kochetov A.N., Ph.D. (Chemistry), Senior Lecturer, A.N. Reformatsky Chair of Inorganic Chemistry, M. V. Lomonosov Institute of Fine Chemical Technologies; MIREA – Russian Technological University (86, Vernadskogo Pr., Moscow 119571, Russia), E-mail:
kochchem@mail.ru., ResearcherID: 213376. ORCID ID 0000-0002-1911-1718.
The possibilities of using the HPLC and GC method in determining complex multicomponent mixtures of insecticidal substances in commercial compositions produced using microencapsulation technology are considered. Often, when analyzing compositions that include representatives of different classes of insecticides, it is necessary to combine both methods (GC and HPLC), or, alternatively, use expensive massselective detection types. Additionally, options for evaluating the content of substances in solutions of insecticidal microencapsulated agents were tested, various combinations of sample preparation and analytical determination stages were carried out. The content of active substances is an important factor in determining the suitability of the agent (working solutions), while representatives of the main classes of insecticidal substances (pyrethroids, organo-phosphorus derivatives, neonicotinoids, phenylpyramolones, carbamates and pyrroles) were considered. The possibilities and limits of group determination using trivial chromatographic equipment were determined using model solutions.
Keywords: microencapsulated agents, insecticidal substances, content determination, pest control, active substance, pyrethroids, organophosphorus derivatives, neonicotinoids, phenylpyrazolones, carbamates, pyrroles, RP HPLC, GC.
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