Низкотемпературная Жидкостно-Жидкостная Экстракция Фенолов Из Водных Растворов Гидрофильными Смесями Экстрагентов

Рудаков, О. Б.; Khorokhordina, E. A.; Preobrazhenskii, M. A.; Рудакова, Л. В.

doi:10.7868/s0044453716080264

Cited by 2 publications

(2 citation statements)

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“…Некоторые специальные химические средства, такие как антисептик рулонных и иных полимерсодержащих покрытий триклозан, стабилизирующая добавка нонилфенол, отвердитель эпоксидных смол бисфенол А и пластификаторы полимеров диалкилфталаты, выделяющиеся из строительных материалов и бытовых полимерных материалов, при сравнительно малой токсичности обладают способностью накапливаться в организме человека, нанося со временем ущерб здоровью [35,40].…”

Section: ключевые слова: воздушная среда замкнутых помещений; загрязн...unclassified

otential Danger of Structural, Building and Finish Materials of Objects Examined by Mobile Diagnostic Groups as Part of Chemical Control

2021

Journal of NBC Protection Corps

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The implementation of chemical control in closed facilities is the most difficult task of the mobile diagnostic groups (MDG) of the NBC Protection Troops of the Armed Forces of the Russian Federation, designed to perform radiation, chemical and biological control at mass events at national and international levels. Built with the use of modern construction and finish materials, they have their own sources of indoor air pollution. In certain cases, the use of polymer and polymer-containing materials in the construction and decoration of such objects leads to the appearance of contamination zones inside these premises with a high concentration of chemical impurities and their transformation products, which poses a threat to human health and affects the reliability of the results of chemical control. The last factor poses the greatest danger, since, leading to an inadequate reaction of the chemical control equipment, it can mask the appearance of poisonous and / or hazardous substances in the air, nullifying the entire complex of measures to ensure chemical safety. The aim of the article is to analyze structural, building and finish materials used in the construction and decoration of facilities that are systematically examined by MDG for the detection of toxic volatile compounds. It is shown in the article, that in the presence of sources of volatile substances, including toxic ones, which can distort the results of chemical control at the surveyed objects, it is necessary to improve the equipment and methodological support of mobile diagnostic groups

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Section: ключевые слова: воздушная среда замкнутых помещений; загрязн...unclassified

otential Danger of Structural, Building and Finish Materials of Objects Examined by Mobile Diagnostic Groups as Part of Chemical Control

2021

Journal of NBC Protection Corps

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“…MeCN должен иметь квалификацию «чистый для спек-троскопии», «особо чистый для ВЭЖХ». В работе [23] показано, что для бинарных водно-органических смесей можно применять уравнение (8), если считать воду про-зрачной при аналитических длинах волн >195 нм:…”

Section: Introductionunclassified

Хроматографические И Экстракционные Свойства Ацетонитрила И Его Смесей С Водой

Рудаков¹,

Селеменев²,

Rudakova³

et al. 2018

sorpchrom

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В обзоре рассмотрены хроматографические и экстракционные свойства ацетонитрила и его смесей с водой. Обсуждено влияние состава смесей ацетонитрил -вода на такие свойства как плот-ность, вязкость, коэффициент проницаемости, показатель преломления, оптическая плотность, темпе-ратура кипения. Рассмотрено применение обобщенного критерия полярности ацетонитрила в оценке элюирующей способности подвижных фаз на основе смесей ацетонитрила с водой. Показаны пре-имущества и проблемы применения ацетонитрила как модификатора подвижной фазы в обращен-но-фазовой ВЭЖХ и как гидрофильного экстрагента в жидкостно-жидкостной экстракции. In 2018 the scientific community celebrates 115 years of discovery of the liquid chromatography method by M.S. Tsvet, and also 50 years since the development of the high-performance liquid chromatography method. The key component of the chromatographic sorbent-sorbate-eluent system, whose optimization is devoted to the authors' studies of the article, is the eluent. High-performance liquid chromatography has become an important method of analysis over the past decades. Acetonitrile is a unique solvent for chromatography. It is used as the main component for water-organic mobile phases in reversed-phase and hydrophilic HPLC. The review discusses the features of its physicochemical properties which should be taken into account in analytical practice. Effective methods of sample preparation are required for the analysis of biologically active substances in different matrices using HPLC. Methods of liquid-liquid extraction (LLE) of analytes from aqueous solutions with salting out and drying out; micro-LLE; dispersive micro-LLE, lowtemperature LLE, extraction by freezing, combined sorption-extraction method QuEChERS are considered. Acetonitrile is used for each of these sample preparation methods. The review discusses the effect of the composition of acetonitrile-water mixtures on such properties as density, viscosity, permeability coefficient, refractive index, optical density, boiling point. The relative polarity, eluting and solubilizing ability of aceto-

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Низкотемпературная Жидкостно-Жидкостная Экстракция Фенолов Из Водных Растворов Гидрофильными Смесями Экстрагентов

Cited by 2 publications

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otential Danger of Structural, Building and Finish Materials of Objects Examined by Mobile Diagnostic Groups as Part of Chemical Control

otential Danger of Structural, Building and Finish Materials of Objects Examined by Mobile Diagnostic Groups as Part of Chemical Control

Хроматографические И Экстракционные Свойства Ацетонитрила И Его Смесей С Водой

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