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Relevant bibliographies by topics / Separation of basic compounds

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Academic literature on the topic 'Separation of basic compounds'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Separation of basic compounds"

1

Wei, W., G. A. Luo, G. Y. Hua, and C. Yan. "Capillary electrochromatographic separation of basic compounds with bare silica as stationary phase." Journal of Chromatography A 817, no. 1-2 (August 1998): 65–74. http://dx.doi.org/10.1016/s0021-9673(98)00315-x.

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Stella, Cinzia, Patrick Seuret, Serge Rudaz, Pierre-Alain Carrupt, Jean-Yves Gauvrit, Pierre Lanteri, and Jean-Luc Veuthey. "Characterization of chromatographic supports for the analysis of basic compounds." Journal of Separation Science 25, no. 18 (December 1, 2002): 1351–63. http://dx.doi.org/10.1002/jssc.200290007.

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Asakawa, Yoshiki, Eiichi Yamamoto, and Naoki Asakawa. "Selective retention of basic compounds by metal aquo-ion affinity chromatography." Journal of Separation Science 37, no. 19 (August 11, 2014): 2641–51. http://dx.doi.org/10.1002/jssc.201400296.

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Petruczynik, Anna. "Analysis of alkaloids from different chemical groups by different liquid chromatography methods." Open Chemistry 10, no. 3 (June 1, 2012): 802–35. http://dx.doi.org/10.2478/s11532-012-0037-y.

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AbstractAlkaloids are biologically active compounds widely used as pharmaceuticals and synthesised as secondary methabolites in plants. Many of these compounds are strongly toxic. Therefore, they are often subject of scientific interests and analysis. Since alkaloids — basic compounds appear in aqueous solutions as ionized and unionized forms, they are difficult for chromatographic separation for peak tailing, poor systems efficiency, poor separation and poor column-to-column reproducibility. For this reason it is necessity searching of more suitable chromatographic systems for analysis of the compounds. In this article we present an overview on the separation of selected alkaloids from different chemical groups by liquid chromatography thus indicating the range of useful methods now available for alkaloid analysis. Different selectivity, system efficiency and peaks shape may be achieved in different LC methods separations by use of alternative stationary phases: silica, alumina, chemically bonded stationary phases, cation exchange phases, or by varying nonaqueous or aqueous mobile phase (containing different modifier, different buffers at different pH, ion-pairing or silanol blocker reagents). Developments in TLC (NP and RP systems), HPLC (NP, RP, HILIC, ion-exchange) are presented and the advantages of each method for alkaloids analysis are discussed.

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Geryk, Radim, Květa Kalíková, Martin G. Schmid, and Eva Tesařová. "Enantioselective separation of biologically active basic compounds in ultra-performance supercritical fluid chromatography." Analytica Chimica Acta 932 (August 2016): 98–105. http://dx.doi.org/10.1016/j.aca.2016.04.044.

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Kumar, Avvaru Praveen, and Jung Hag Park. "Chiral separation of basic compounds on a cellulose 3,5-dimethylphenylcarbamate-coated zirconia monolithin basic eluents by capillary electrochromatography." Journal of Chromatography A 1218, no. 37 (September 2011): 6548–53. http://dx.doi.org/10.1016/j.chroma.2011.06.101.

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Kalíková, Květa, Martina Riesová, and Eva Tesařová. "Recentchiral selectors for separation in HPLC and CE." Open Chemistry 10, no. 3 (June 1, 2012): 450–71. http://dx.doi.org/10.2478/s11532-011-0142-3.

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AbstractEnantiomers (stereoisomers) can exhibit substantially different properties if present in chiral environments. Since chirality is a basic property of nature, the different behaviors of the individual enantiomers must be carefully studied and properly treated. Therefore, enantioselective separations are a very important part of separation science. To achieve the separation of enantiomers, an enantioselective environment must be created by the addition of a chiral selector to the separation system. Many chiral selectors have been designed and used in various fields, such as the analyses of drugs, food constituents and agrochemicals. The most popular have become the chiral selectors and/or chiral stationary phases that are of general use, i.e., are applicable in various separation systems and allow for chiral separation of structurally different compounds. This review covers the most important chiral selectors / chiral stationary phases described and applied in high performance liquid chromatography and capillary electrophoresis during the period of the last three years (2008–2011).

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GUO, Zhi-Qing, Lei CHEN, and Qian-Hong WAN. "Endcapping of Octadecyl Bonded Silica by Atomic Layer Deposition for Separation of Basic Compounds." Chinese Journal of Analytical Chemistry 37, no. 11 (November 2009): 1572–76. http://dx.doi.org/10.1016/s1872-2040(08)60141-3.

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Ye, F., S. Li, and S. Zhao. "Electrochromatographic Evaluation of Diol-Bonded Silica Monolith Capillary Column for Separation of Basic Compounds." Journal of Chromatographic Science 47, no. 6 (July 1, 2009): 492–96. http://dx.doi.org/10.1093/chromsci/47.6.492.

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Ping, Guichen, Lihua Zhang, Lin Zhang, Weibing Zhang, Philippe Schmitt-Kopplin, Antonius Kettrup, and Yukui Zhang. "Separation of acidic and basic compounds in capillary electrochromatography with polymethacrylate-based monolithic columns." Journal of Chromatography A 1035, no. 2 (May 2004): 265–70. http://dx.doi.org/10.1016/j.chroma.2004.02.063.

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Dissertations / Theses on the topic "Separation of basic compounds"

1

Hardey, Marriann. "Separation of neautral, acid and basic compounds on open tubular and packed capillary columns." Thesis, University of York, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.489265.

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Uhl, Petra Ursula. "Separation of neautral,acid and basic compounds on open tubular and packed capillary columns." Thesis, University of Strathclyde, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488631.

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Kočí, Kamila. "Separace azaarénů vysoceúčinnou kapalinovou chromatografií." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-233281.

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Under the framework of this PhD project, a study on chromatographic behaviour of selected azaarenes on octadecylsilica stationary phases during their separation by reversed phase liquid chromatography was developed. The main goal was aimed at an application of the basic RPLC principles on the retention behaviour of azaarenes including the effects such as peak tailing, peak broadening, irreproducible retention or strong retention on a stationary phase. This study was particularly focused on basic azaarenes, also called acridines, which belong to a group of persistent organic pollutants providing mutagenic and/or carcinogenic activity. The retention patterns were studied on a group of eight acridines that are often present in environmental samples polluted with polycyclic aromatic compounds. The mixture of acridines was separated under isocratic elution conditions on three octadecylsilica stationary phases using two different binary mixtures as a mobile phase. Evaluation of the surface properties of the selected stationary phases was firstly performed, followed by the separation experiments. The structure of the experiments was designed to evaluate the effect of three different factors on the retention behaviour of acridines: properties of a stationary phase, composition of a mobile phase and physical-chemical properties of acridines. The treatment of the results was based on the capacity factor values providing the best fitting and repeatability of data, but other parameters that evaluate thermodynamic and kinetic aspects of the separation process were also given. Simple correlations between the three factors and a character of retention mechanism of acridines on the given separation system were found. Application of this knowledge simplifies an optimisation process and helps to solve common separation problems for acridines, but also for other basic analytes displaying similar physical-chemical properties (Mr and pKa).

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Soliman, Laiel. "Capillary electrophoresis-mass spectrometry separation of isomeric biological compounds." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43419.

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Current prostate cancer (PCa) diagnosis based on prostate-specific antigen (PSA) has been gradually losing its credibility over the last decade due to contradictory results in published literature and clinical practice. Recently, a group of potential PCa biomarkers in urine, particularly sarcosine, was found to increase significantly as the cancer progressed to metastasis. In Chapter 2, we report a simple, robust, and reproducible capillary electrophoresis–electrospray ionization–tandem mass spectrometry (CE–ESI-MS/MS) method for the determination of sarcosine and other representative potential biomarkers in pooled urine. A solid phase extraction (SPE) technique was optimized for maximum recovery of sarcosine. With no derivatization step, excellent resolution between sarcosine and its isomers (α-alanine and β-alanine) was achieved. A separate non-SPE method was also developed for quantitative determination of highly concentrated urinary metabolites. Precision for intra- and inter-day standard addition calibration of sarcosine were found to be within 15%, whereas intra-day precisions for the rest of the metabolites varied from 0.03 to 13.4%. Acceptable intra-day and inter-day accuracies, ranging from 80 to 124%, were obtained for sarcosine and the other metabolites. The second part of the thesis takes on a more challenging task. The importance of chiral separation in pharmaceutical, agriculture, and food industries has driven separation scientists to develop more powerful methodologies in conjunction with the structural capabilities of mass spectrometry. In Chapter 3, chiral separation of D- and L-tryptophan was compared on a bare-fused silica capillary and a PEI-coated capillary. Although a higher resolution was observed for uncoated capillaries, analytes were found to migrate slower resulting to longer analysis times (tm > 20 min). With shorter migration times (tm < 10 min) and acceptable resolution, further investigations on different factors that could affect enantioseparation were conducted on a coated capillary. Highly-sulfated cyclodextrins (HS-CDs), a group of charged CD derivatives, were also utilized for the separation of several racemic amino acids. Resolution with HS-CDs was found to be superior to using native CDs. Unfortunately, due to time constraint, no MS work was presented as the chiral CE/MS work is still currently in progress.

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Yeung, Ken K. C. "Ultrahigh-resolution separation of isotopic compounds by capillary electrophoresis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0030/NQ38517.pdf.

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Kewley, Adam. "The synthesis and separation properties of organic cage compounds." Thesis, University of Liverpool, 2014. http://livrepository.liverpool.ac.uk/2010659/.

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Microporous materials play an important role in a variety of industrial and domestic applications. While a diverse range of microporous materials have been identified, this thesis focuses on porous organic cages (POCs) because they have received much attention as synthetically tunable, solution processable, microporous materials. After introducing the latest developments in POC synthesis and the general application of microporous materials as selective sorbents, this thesis presents three developments in organic cage chemistry: a high-throughput workflow for the discovery of POCs, which yielded a novel organic cage compound; the measurement of selective adsorption by POCs, wherein the first instance of chiral selectivity by a POC was recorded; and the first instance of applying POCs as stationary phases for gas chromatography, which produced columns that separate racemic mixtures, alkylaromatic isomers, and alkane isomers. Chapter 2, discovering novel organic cages, presents attempts to use high-throughput and in-silico techniques to accelerate the discovery of novel organic cages. These methods were utilised to isolate a novel organic cage, CCX-S, which is characterised and discussed. Chapter 3, organic cages as selective sorbents, presents the development of approaches for measuring selective adsorption. These methods were used to identify the first reported instance of enantioselective adsorption by an organic cage. Further measurements to explain this separation behavior are also presented. Chapter 4, chromatographic separations with organic cages, presents one method of practically leveraging the presented separation behavior. In Chapter 4, the coating of capillary columns with CC3 is presented. These columns were used to successfully perform gas chromatographic separations, the first recorded instance of using a POC to do so. The columns were further improved by modifying the coating method and using prefabricated CC3 nanoparticles. This modification enabled difficult separations to be performed using the column; for example, the separation of hexane’s five isomers.

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Isemura, Tsuguhide. "Studies on High Performance Separation of Organic Fluorine Compounds." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/124516.

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Bolt, Livia. "Magnetic separation using high-Tâ†c superconductors." Thesis, University of Southampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368332.

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Khotseng, Lindiwe Eudora. "Separation and speciation of biodegradable complexes using capillary zone electrophoresis." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/50092.

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Thesis (PhD)--Stellenbosch University, 2004.
ENGLISH ABSTRACT: Separation of the metal ions Cu2+, Pb2+, Cd2+ Mn2+, Cr3+, Fe3+ and Zn2+ with poly ethylenediamine tetra-acetic acid (EDTA), ethylenediamine disuccinic acid ([S,S']- EDDS) and ethylenediamine dimalonic acid (EDDM) was performed by Capillary Electrophoresis. The electropherograms obtained by Capillary Electrophoresis were validated with a speciation model Joint Expert Speciation System (JESS). Excellent agreement was observed for the speciation diagrams for these species with the pH curves determined by capillary electrophoresis with those determined by speciation modelling using JESS. The ligands EDDS and EDDM are readily biodegradable. They have been proposed as substitute ligands for EDTA. Detection of the above species was performed using both an electrochemical and a UV detector. The obtained electropherograms were used for the determination of the detection limits of these species. The electrochemical detector has a lower detection limit for these species than the UV detector in conformity with reported literature for these detectors.
AFRIKAANSE OPSOMMING: Skeiding van die metaal ione Cu2+, Pb2+, Cd2+, Cr3+, Fe3+ en Zn2+ met behulp van etileendiamientetra-asyn suur (EDTA), etileendiamiendisuksien suur ([S,S']-EDDS) en etileendiamiendimaleen suur (EDDM) was gedoen deur kapilêre elektroferose. Die elektroferogramme, verkry deur kapilêre elektroferose was gebruik om die spesiasie model "Joint Expert Speciation System (JESS)" te valideer. Uitstekende ooreenstemming was waargeneem vir die verspreidings diagramme van hierdie spesies as 'n funksie van pH wat verkry was deur kapilêre elektroferose met die' wat vasgestel was deur die spesiasie modeleeringsproses van JESS. Die ligande EDDS en EDDM toon onmiddelike biodigradeerbaarheid. Hulle was voorgehou as alternatiewe ligande vir EDTA. Bepaling van die bogenoemde spesies was ook gedoen deur beide elektrochemiese en UV deteksie. Deur gebruik te maak van hierdie detektore was die deteksie limiete van hierdie spesies bepaal. Die elektroochemiese detektor het 'n laer deteksie limiet vir hierdie spesies in vergelyking met die UV detector. Dit stem ooreen met die literatuur vir hierdie detektore.

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Khotseng, Lindiwe Eudora. "Separation and speciation of biodegradable complexes using capillary zone electrophersis." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/52052.

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Thesis (PhD)--Stellenbosch University, 2004.
ENGLISH ABSTRACT: Separation of the metal ions Cu2+, Pb2+, Cd2+ Mn2+, Cr3+, Fe3+ and Zn2+ with poly ethylenediamine tetra-acetic acid (EDTA), ethylenediamine disuccinic acid ([S,S']- EDDS) and ethylenediamine dimalonic acid (EDDM) was performed by Capillary Electrophoresis. The electropherograms obtained by Capillary Electrophoresis were validated with a speciation model Joint Expert Speciation System (JESS). Excellent agreement was observed for the speciation diagrams for these species with the pH curves determined by capillary electrophoresis with those determined by speciation modelling using JESS. The ligands EDDS and EDDM are readily biodegradable. They have been proposed as substitute ligands for EDTA. Detection of the above species was performed using both an electrochemical and a UV detector. The obtained electropherograms were used for the determination of the detection limits of these species. The electrochemical detector has a lower detection limit for these species than the UV detector in conformity with reported literature for these detectors.
AFRIKAANSE OPSOMMING: Skeiding van die metaal ione Cu2+, Pb2+, Cd2+, Cr3+, Fe3+ en Zn2+ met behulp van etileendiamientetra-asyn suur (EDTA), etileendiamiendisuksien suur ([S,S']-EDDS) en etileendiamiendimaleen suur (EDDM) was gedoen deur kapilêre elektroferose. Die elektroferogramme, verkry deur kapilêre elektroferose was gebruik om die spesiasie model "Joint Expert Speciation System (JESS)" te valideer. Uitstekende ooreenstemming was waargeneem vir die verspreidings diagramme van hierdie spesies as 'n funksie van pH wat verkry was deur kapilêre elektroferose met die' wat vasgestel was deur die spesiasie modeleeringsproses van JESS. Die ligande EDDS en EDDM toon onmiddelike biodigradeerbaarheid. Hulle was voorgehou as alternatiewe ligande vir EDT A. Bepaling van die bogenoemde spesies was ook gedoen deur beide elektrochemiese en UV deteksie. Deur gebruik te maak van hierdie detektore was die deteksie limiete van hierdie spesies bepaal. Die elektroochemiese detektor het 'n laer deteksie limiet vir hierdie spesies in vergelyking met die UV detector. Dit stem ooreen met die literatuur vir hierdie detektore.

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Books on the topic "Separation of basic compounds"

1

Marczenko, Zygmunt. Separation, preconcentration, and spectrophotometry in inorganic analysis. Amsterdam: Elsevier Science B.V., 2000.

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Balali-Mood, Mahdi, and Mohammad Abdollahi, eds. Basic and Clinical Toxicology of Mustard Compounds. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23874-6.

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Balali-Mood, Mahdi, and Mohammad Abdollahi, eds. Basic and Clinical Toxicology of Organophosphorus Compounds. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-5625-3.

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1948-, Geigert J., ed. Biohalogenation: Principles, basic roles, and applications. Chichester, West Sussex, England: E. Horwood, 1986.

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Laitinen, Antero. Supercritical fluid extraction of organic compounds from solids and aqueous solutions. Espoo [Finland]: Technical Research Centre of Finland, 1999.

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Laidler, Paweł. Basic cases in U.S. constitutional law: The separation of power. Kraków: Jagiellonian University Press, 2005.

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Dagotto, Elbio. Nanoscale Phase Separation and Colossal Magnetoresistance: The Physics of Manganites and Related Compounds. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003.

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Haiduc, Ionel. Basic organometallic chemistry. Berlin: W. de Gruyter, 1985.

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1936-, Zuckerman Jerry J., ed. Basic organometallic chemistry. Berlin: De Gruyter, 1985.

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Suzuki, Akira. Kurosu kappuringu hannō: Kiso to sangyō ōyō = Cross-coupling reactions : basic chemistry and industrial applications. Tōkyō: Shīemushī Shuppan, 2010.

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Book chapters on the topic "Separation of basic compounds"

1

McCalley, David V. "Performance of Silica Monoliths for Basic Compounds. Silanol Activity." In Monolithic Silicas in Separation Science, 173–88. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633241.ch9.

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Ahuja, Satinder. "Basic Considerations in HPLC Method Development of Chiral Compounds." In Chiral Separation Methods for Pharmaceutical and Biotechnological Products, 35–56. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470608661.ch3.

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Kaliszewski, Ignacy. "Basic Elements." In Quantitative Pareto Analysis by Cone Separation Technique, 7–19. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2772-5_2.

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Ramos-Jerz, Maria del Refugio, Gerold Jerz, Socorro Josefina Villanueva-Rodríguez, and Peter Winterhalter. "Separation and Detection Methods." In Phenolic Compounds in Food, 85–94. Boca Raton : CRC Press, Taylor & Francis Group, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315120157-6.

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Lipnick, Robert L. "Action of basic narcotics and basic compounds." In Studies of Narcosis, 161–73. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3096-7_11.

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Tanaka, Nobuo, and Klaus K. Unger. "The Basic Idea and the Drivers." In Monolithic Silicas in Separation Science, 1–7. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633241.ch1.

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Zhang, Boya, Panida Sampranpiboon, and Xianshe Feng. "Pervaporative extraction of dairy aroma compounds." In Membrane Processing for Dairy Ingredient Separation, 176–229. Chichester, UK: John Wiley & Sons, Ltd, 2015. http://dx.doi.org/10.1002/9781118590331.ch7.

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Mostafalou, Sara, and Mohammad Abdollahi. "Basic Pharmacology and Toxicology." In Basic and Clinical Toxicology of Mustard Compounds, 49–61. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-23874-6_3.

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Amoss, Clinton W., and Norbert M. Maier. "Separation of Chiral Compounds on Polysaccharide Columns." In Chiral Separation Methods for Pharmaceutical and Biotechnological Products, 57–129. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470608661.ch4.

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Routray, Winny, and Valérie Orsat. "Preparative Extraction and Separation of Phenolic Compounds." In Natural Products, 2013–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-22144-6_55.

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Conference papers on the topic "Separation of basic compounds"

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Block-Bolten, A., and K. Glowacki. "Natural Gas Separation From Arsenic Compounds." In SPE Gas Technology Symposium. Society of Petroleum Engineers, 1989. http://dx.doi.org/10.2118/19078-ms.

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Margraf, Ruediger. "Conditioning Rotor–Recycle Process With Particle Conditioning: A Simple and Effective Process for the Gas Cleaning Downstream Waste Incinerators." In 18th Annual North American Waste-to-Energy Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/nawtec18-3556.

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Following to the tightening of emission limit values in Europe between 1980 and 1990, complex, multi-stage plants have been installed for the gas cleaning systems downstream of waste incinerators. As a result of the extremely high investment and operating costs, a waste incineration was no longer economical. Due to the consistent advancement of semi-dry procedures, high-efficient cleaning systems could be developed, with reliable observance of the requested emission limit values at considerably lower investment and operating costs. The Conditioning Rotor–Recycle Process with particle conditioning offers such a procedure. It mainly comprises the component parts for additive powder injection (CaO / Ca(OH)2, AC), reaction chamber with conditioning rotor, fabric filter and multiple particle re-circulation with wetting of recycled particulate prior to reinjection into reactor. This system allows the simultaneous separation of particles, heavy metals, incl. mercury and mercury compounds, acid crude gas components such as HF, HCl, SOx as well as dioxins / furans. The approx. 50fold particle re-circulation combined with the wetting of the recycled particulate grants the high effectiveness of this system with regard to the separation capacity and the additive powder consumption. The efficiency is described on the basis of several application examples from the field of waste incinerators. The presentation includes among other things the degrees of separation and the emission limit values in comparison with definitely more complex scrubbing systems. The process is also provided with an up-to-date control device for the additive powder injection. Based on crude gas measurements of the acid crude gas components, HCl and SOx, as well as on measurements of the volume flow, the additive powder is injected in dosed quantities in accordance with a given stoichiometric factor. The control concept is explained by means of a practical example. Furthermore, results will be presented, showing the advantages of the Conditioning Rotor – Recycle Process with particle conditioning relating to the expenses for consumable supplies, compared to a conventional spray sorption for the separation of acid crude gas components, as used for many plants in the USA. A comparison of the emission limit values for waste incinerators in the USA and Europe shows, that the presented process is also suited for the American market and offers cost advantages for the operators of waste incinerators.

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KAWANISHI, H., M. TSUMURA, T. FUKUSHIMA, M. KATO, and T. TOYO'OKA. "DETERMINATION OF BASIC COMPOUNDS WITH PEROXYOXALATE CHEMILUMINESCENCE DETECTION." In Proceedings of the 13th International Symposium. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812702203_0056.

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Sharma, Jyoti, Pernita Dogra, Nadeem Sharma, and Ajay. "Applications of coordination compounds having Schiff bases: A review." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122381.

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Praveena, R., K. Anbazhakan, and K. Sadasivam. "Local orbital locator analysis of isomeric compounds of luteolin and apigenin." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122633.

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Yasuike, Y., S. Iwasa, K. Suzuki, H. Kobayashi, O. Amano, and Nobuaki Sato. "Recycle of Zr Metal From Hull Wastes by Treatment of Chlorination and Metalization." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4626.

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This research evaluated the applicability of chlorination reaction treatment as processing technology to recover Zr metal which becomes reusable resources from radioactive Zr metal wastes. The typical waste generates from reprocessing facilities, and the main component of waste is a zirconium alloy containing 90–95% of Zr. At first, the volatility of ZrCl4 produced by the chlorination reaction of Zircaloy-2 was theoretically calculated with thermodynamic simulation code. The estimation showed that Zr could be effectively separated and recovered from this alloy by the difference of volatility in each element chloride. The chlorination reaction of metal proceeds as an exothermic reaction and the control of the reaction temperature is an important condition in order to perform optimal Zr separation recovery. The chlorination reaction of Zircaloy-2 was carried out in the low-temperature ranges of 220°C–320°C, and Zr separation performance was experimentally obtained. Zr and Sn (1.5wt% content in Zircaloy-2) volatilize 100% as chlorides at 270°C or higher temperature. The amounts of volatilization of Cr and Ni are 5% and 0.1% or less, respectively. Such volatile ability is well in agreement with the result of thermodynamic calculation quantitatively. The volatile behavior of Fe (0.2wt% or less content) in Zircaloy-2 is influenced by the product of FeCl2 which is due to the heat decomposition of FeCl3 with larger volatility, and the experimental volatility is smaller than the theoretical one. 60Co produced in the radioactivated Co by neutron radiation is a highest radioactivity source in the hull waste and it should be completely separated and removed from the recovered Zr chloride. In this study, the metal powder of Co was used to measure the volatility, because the content of Co in Zircaloy-2 is very small quantity (20 ppm or less), The obtained volatility was a hundredth of the volatility of thermodynamics calculation. U and Cs also intermingle in the hull wastes by the solid solution or the adhesion of uranium fuel. The volatility of Cs and U in the chlorination reaction at 270°C was measured by using CsCl, and UO2 in the coexistence of Zircaloy-2. The volatility of UO2 and CsCl was 4times and thousand times higher than that without the alloy, respectively. The exothermic reaction in the chlorination of metal was inferred. However, the volatility did not influence the effective ability of decontamination for the recovered Zr chloride. In order to recover the high-level decontaminated Zr chloride from radioactive nuclides, it is necessary to efficiently remove radioactive nuclides, which are the sources of high radioactivity due to 60Co, 63Ni and 137Cs. It was evaluated that a chemical addition treatment in which the amounts of radioactive nuclides relatively decreases by the amounts of radioactive nuclides relatively decreases by the amount of added stable isotopes of chemical compound was a effective treatment, on basis of the calculation of volatility of each element. The addition treatment of chemical compound performs in the distillation of Zr chloride obtained by the chlorination of hull waste. This study showed that a basic process of the high-level decontaminated Zr recovery consists of the two-step process of both chlorination reaction of the hull waste and distillation treatment of Zr chloride in addition of chemical compound.

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7

Guizhen, Gong, Sun Rui, and Xu Wen. "Separation and Analysis of Soluble Organic Compounds from Corncob." In 7th International Conference on Education, Management, Information and Computer Science (ICEMC 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/icemc-17.2017.196.

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8

Abramavicius, Darius, Vidmantas Gulbinas, and Leonas Valkunas. "Charge separation in molecular compounds from the charge transfer states." In Advanced Optical Materials and Devices, edited by Steponas P. Asmontas and Jonas Gradauskas. SPIE, 2001. http://dx.doi.org/10.1117/12.425482.

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SON, S. J., S. W. KIM, D. K. CHOI, H. S. KIM, Y. J. KIM, and S. H. KIM. "SEPARATION OF ISOPRENE COMPOUNDS VIA π-COMPLEXATION IN C5 MIXTURES." In Proceedings of the 4th International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702623_0037.

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Septiana, Dias, Stevin C. Angga, Suci Amalia, Elvina D. Iftitah, and Akhmad Sabarudin. "Modification of monolithic stationary phase using human serum albumin as chiral separation." In THE 8TH ANNUAL BASIC SCIENCE INTERNATIONAL CONFERENCE: Coverage of Basic Sciences toward the World’s Sustainability Challanges. Author(s), 2018. http://dx.doi.org/10.1063/1.5062754.

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Reports on the topic "Separation of basic compounds"

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Green, J. B., J. A. Green, Shirley K. T. Yu, and P. L. Grizzle. Analysis of heavy oils: Method development and application to Cerro Negro heavy petroleum: Detailed separation and analysis of basic compounds. Office of Scientific and Technical Information (OSTI), June 1989. http://dx.doi.org/10.2172/6240542.

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Wijmans, J. G., R. W. Baker, H. D. Kamaruddin, J. Kaschemekat, R. P. Olsen, M. E. Rose, and S. V. Segelke. Combined air stripper/membrane vapor separation systems. [Volatile organic compounds]. Office of Scientific and Technical Information (OSTI), November 1992. http://dx.doi.org/10.2172/6744995.

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Wang, S. Chiral separation of pharmaceutical compounds using electrochemically modulated liquid chromatography (EMLC). Office of Scientific and Technical Information (OSTI), February 1999. http://dx.doi.org/10.2172/348904.

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Ding, Wei Liang. Capillary electrophoresis separation of neutral organic compounds, pharmaceutical drugs, proteins and peptides, enantiomers, and anions. Office of Scientific and Technical Information (OSTI), February 1999. http://dx.doi.org/10.2172/350830.

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Chow, Tina Kuo Fung. Separation of compounds with multiple -OH groups from dilute aqueous solutions via complexation with organoboronate. Office of Scientific and Technical Information (OSTI), May 1992. http://dx.doi.org/10.2172/10182364.

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Chow, Tina Kuo Fung. Separation of compounds with multiple -OH groups from dilute aqueous solutions via complexation with organoboronate. [1,2-propanediol]. Office of Scientific and Technical Information (OSTI), May 1992. http://dx.doi.org/10.2172/7047671.

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Dorhout, Jacquelyn Marie. Synthesis of Actinide Materials for the Study of Basic Actinide Science and Rapid Separation of Fission Products. Office of Scientific and Technical Information (OSTI), September 2017. http://dx.doi.org/10.2172/1378928.

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Dorhout, Jacquelyn Marie. Synthesis of Actinide Materials for the Study of Basic Actinide Science and Rapid Separation of Fission Products. Office of Scientific and Technical Information (OSTI), November 2017. http://dx.doi.org/10.2172/1411330.

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Green, J., S. Yu, J. Green, D. Doughty, J. Vogh, and R. Grigsby. Analysis of heavy oils: Method development and application to Cerro Negro heavy petroleum detailed separation and analysis of acidic compounds. Office of Scientific and Technical Information (OSTI), October 1989. http://dx.doi.org/10.2172/5696052.

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Li, Jie. Methods development for separation of inorganic anions, organic acids and bases, and neutral organic compounds by ion chromatography and capillary electrophoresis. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/354894.

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