Relevant bibliographies by topics / Separation of ionogenic compounds

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Separation of ionogenic compounds'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Separation of ionogenic compounds"

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Stoll, Dwight R., Kelly O’Neill, and David C. Harmes. "Effects of pH mismatch between the two dimensions of reversed-phase×reversed-phase two-dimensional separations on second dimension separation quality for ionogenic compounds—I. Carboxylic acids." Journal of Chromatography A 1383 (February 2015): 25–34. http://dx.doi.org/10.1016/j.chroma.2014.12.054.

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Walendziak, Longin, and Janusz Jadczak. "Electrophoretic separation and thiomercurimetric monitoring of ionogenic thiols." Journal of Chromatography A 331 (January 1985): 193–99. http://dx.doi.org/10.1016/0021-9673(85)80022-4.

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Česnek, Michal, Milena Masojídková, Antonín Holý, Veronika Šolínová, Dušan Koval, and Václav Kašička. "Synthesis and Properties of 2-Guanidinopurines." Collection of Czechoslovak Chemical Communications 71, no. 9 (2006): 1303–19. http://dx.doi.org/10.1135/cccc20061303.

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2-Guanidinopurines were prepared as derivatives of 2,6-diamino-9-[2-(phosphonomethoxy)ethyl]-9H-purine (PMEDAP) (1), which shows an important antiviral activity. It completes earlier described synthesis of 6-guanidinopurine derivatives. The title compounds were obtained by the reaction of the corresponding 2-chloropurines with guanidine. 2- And 6-guanidinopurines were used as model compounds for determination of dissociation constants (pKa) of their ionogenic groups by capillary zone electrophoresis. The pKa values of ionogenic groups of the above compounds were compared with those of the corresponding aminopurines. The pKa of guanidino group at the purine moiety varies from 7.77 to 10.32. There is no protonation of N1-position in contrast to aminopurines. None of these compounds showed any antiviral activity.
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Levchenko, Yevhenii, Olga Sverdlikovska, Denys Chervakov, and Oleh Chervakov. "Development of coalescents for paints and varnishes based on ionic liquids – the products of diethanolamine and inorganic acids interaction." Eastern-European Journal of Enterprise Technologies 2, no. 6 (110) (April 12, 2021): 21–29. http://dx.doi.org/10.15587/1729-4061.2021.228546.

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This paper reports the synthesis of ionic liquids through the interaction between diethanolamine and orthophosphate and boric acids in order to establish the possibility of replacing volatile coalescents in a formulation for paints and varnishes with ionogenic compounds. The results from studying the influence of polymeric coalescents based on ionic liquids on the rheological properties of water-dispersion paints and varnishes of different nature are presented. It has been established that the synthesized coalescents could be used to modify the properties of paints and varnishes based on polyurethane and styrene-acrylic aqueous dispersions. It has been shown that the product of the interaction between diethanolamine and boric acid in aqueous solutions forms an ionogenic complex compound with a unipolar conductivity in terms of ОН─ ions. It was also established that when introduced to the formulation of water-dispersion paints and varnishes, the solutions of modifiers produce a diluting action. The influence of ionic liquids on the process of film formation of aqueous dispersions of polymers and pigmented paints and varnishes based on them was investigated. It was established that the synthesized ionogenic compounds are not inferior, in terms of their effectiveness, to the widespread conventional industrial coalescents of the Texanol→ type. Therefore, there is reason to assert the possibility of replacing the industrial coalescent Texanol→ in the formulation of pigmented water-dispersion paints and varnishes based on styrene-acrylic and polyurethane dispersions with fundamentally new synthesized ionogenic modifiers. Thus, the coatings with a coalescent based on ion liquid of diethanolamine borate have a higher level of conditional hardness, which exceeds by 17 % the hardness index of the paint made on the basis of the conventional Texanol→ type coalescent, without changing its decorative properties, such as color and shine
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Jafvert, Chad T., John C. Westall, Erwin Grieder, and Rene P. Schwarzenbach. "Distribution of hydrophobic ionogenic organic compounds between octanol and water: organic acids." Environmental Science & Technology 24, no. 12 (December 1990): 1795–803. http://dx.doi.org/10.1021/es00082a002.

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Janoš, Pavel, and Jiřı́ Škoda. "Reversed-phase high-performance liquid chromatography of ionogenic compounds: comparison of retention models." Journal of Chromatography A 859, no. 1 (October 1999): 1–12. http://dx.doi.org/10.1016/s0021-9673(99)00837-7.

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Demin, A. A., A. T. Melenevsky, and K. P. Papukova. "Effect of the concentration of ionogenic groups in the sorbent on the separation of protein mixtures." Journal of Chromatography A 1006, no. 1-2 (July 2003): 185–93. http://dx.doi.org/10.1016/s0021-9673(03)00952-x.

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Hutta, M., D. Kaniansky, E. Šimuničová, V. Zelenská, V. Madajová, and A. Šišková. "Solid phase extraction for sample preparation in trace analysis of ionogenic compounds by capillary isotachophoresis." Journal of Radioanalytical and Nuclear Chemistry Articles 163, no. 1 (November 1992): 87–98. http://dx.doi.org/10.1007/bf02037483.

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Zelenetskii, A. N., V. P. Volkov, N. Yu Artem'eva, and E. S. Obolonkova. "Effect of Association of Ionogenic Groups on the Phase Separation and Crystallisation and Formation of Supermolecular Structures." International Polymer Science and Technology 31, no. 1 (January 2004): 33–38. http://dx.doi.org/10.1177/0307174x0403100111.

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GASSMANN, E., J. E. KUO, and R. N. ZARE. "Electrokinetic Separation of Chiral Compounds." Science 230, no. 4727 (November 15, 1985): 813–14. http://dx.doi.org/10.1126/science.230.4727.813.

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

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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-T←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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Beierling, Thorsten [Verfasser]. "Separation of isomeric compounds using layer melt crystallization / Thorsten Beierling." München : Verlag Dr. Hut, 2014. http://d-nb.info/1052375669/34.

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Vianna, da Silva A. B. (Aloysio B. ). "Zirconium and hafnium separation from chloride solutions by organophosphorous compounds." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=24074.

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The zirconium/hafnium separation, as currently practiced, is mostly carried out by solvent extraction in which the aqueous chloride solution of metals is contacted with an immiscible organic phase containing a reagent that removes hafnium leaving zirconium in the aqueous solution. Hafnium is extracted as its thiocyanate complex using methyl isobutyl ketone (MIBK). There are environmental consequences of this system that were acceptable when the process was developed but should become a serious problem as legislation becomes more stringent. These problems are primarily the high aqueous solubility of MIBK and the potential for toxic gas generation. This work has tested four organophosphorous reagents to separate zirconium from hafnium without the need of thiocyanate, avoiding toxic gas formation. The extractants and diluent have very low aqueous solubility, removing effluents control problems. We see these features as representing a "zero waste" process. Additional advantages over MIBK process are lower vapor pressure and higher flash point (lower fire risk). This work presents the lab-scale experimental results using mainly two reagents designated by Cytec Canada Ltd as Cyanex 923 and Cyanex 925. The key feature of this work is replacement of MIBK and thiocyanate with one of a family of organophosphorous extractants that were unavailable in the 1950's at the start of the MIBK process. This work shows they can be efficiently applied to hafnium/zirconium separation in aqueous chloride solution, with minimum adjustments of the present industrial practice.
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Books on the topic "Separation of ionogenic compounds"

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

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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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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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1958-, Magomedbekov E. P., and Sicking G. H, eds. Interaction of hydrogen isotopes with transition metals and intermetallic compounds. Berlin: Springer-Verlag, 1996.

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Houghton, Peter J. Laboratory handbook for the fractionation of natural extracts. London: Chapman & Hall, 1998.

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Caged Compounds (Methods in Enzymology). Academic Press, 1998.

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(Editor), John N. Abelson, Melvin I. Simon (Editor), and Gerard Marriott (Editor), eds. Caged Compounds (Methods in Enzymology). Academic Press, 1998.

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Collins, A. N., and G. N. Sheldrake. Chirality in Industry: The Commercial Manufacture and Applications of Optically Active Compounds. John Wiley & Sons, 1993.

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Konstantinovich, Molokanov I͡U︡riĭ, ed. Razdelenie smeseĭ kremniĭorganicheskikh soedineniĭ. 2nd ed. Leningrad: "Khimii͡a︡," Leningradskoe otd-nie, 1986.

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Noctor, Terence Anthony Gerard. Chiral separation of drugs and related compounds by high-performance liquid chromatography. Bradford, 1988.

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Book chapters on the topic "Separation of ionogenic compounds"

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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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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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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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Moore, T., and D. Gust. "Charge Separation in Model Compounds for Photosynthesis." In Proceedings in Life Sciences, 389–98. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4796-8_24.

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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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Espada, Alfonso, Cristina Anta, and Manuel Molina-Martín. "Silica Monoliths for Small-Scale Purification of Drug-Discovery Compounds." In Monolithic Silicas in Separation Science, 285–96. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527633241.ch15.

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Wang, Ziqiang. "Separations of Chiral Compounds by SFC." In Chiral Separation Methods for Pharmaceutical and Biotechnological Products, 299–329. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470608661.ch10.

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He, Brian Lingfeng. "Chiral Recognition Mechanism: Practical Considerations for Pharmaceutical Analysis of Chiral Compounds." In Chiral Recognition in Separation Methods, 153–201. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12445-7_6.

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Zeid, Robert L. "Regulatory and Development Considerations of Chiral Compounds." In Chiral Separation Methods for Pharmaceutical and Biotechnological Products, 9–34. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470608661.ch2.

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Conference papers on the topic "Separation of ionogenic 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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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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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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Lan, Hao, Junming Chen, Zhi Cai, and Rong Deng. "Research of High Precision Temperature Controller in Volatile Organic Compounds Separation." In 3rd International Conference on Mechatronics, Robotics and Automation. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icmra-15.2015.213.

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Wang, Zuodong, Ting Zhang, Juan Yang, Xiaobin Li, Zhongping Li, and Mingfeng Zhang. "Application of Rapid Heat Separation and Injection in Detection of Biomarker Compounds." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.2810.

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Suchankova, Jana. "TESTING OF MATERIALS FOR MEMBRANE SEPARATION OF VOLATILE ORGANIC COMPOUNDS FROM CONTAMINATED WATERS." In SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s13.v3043.

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Abramavicius, Darius, and Leonas Valkunas. "Charge separation in molecular compounds from the charge transfer states: density matrix approach." In SPIE Proceedings, edited by Andris Krumins, Donats Millers, Inta Muzikante, Andris Sternbergs, and Vismants Zauls. SPIE, 2003. http://dx.doi.org/10.1117/12.515661.

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LIU, KUN, ZHANGFA TONG, and X. FENG. "PERVAPORATIVE SEPARATION OF ORGANIC COMPOUNDS FROM WATER DURING BUTYL ACETATE PRODUCTION VIA ESTERIFICATION." In Proceedings of the 4th International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702623_0158.

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Fardhyanti, D. S., N. A. C. Imani, A. Damayanti, S. N. Mardhotillah, M. Afifudin, A. Mulyaningtyas, A. E. Akhir, W. Nuramalia, and P. Maulana. "The separation of phenolic compounds from bio-oil produced from pyrolysis of corncobs." In THE 8TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY (ICICS) 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0001078.

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Reports on the topic "Separation of ionogenic compounds"

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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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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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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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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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Martinez, A., W. Spall, and B. Smith. A gas chromatograph/mass spectrometry method for determining isotopic distributions in organic compounds used in the chemical approach to stable isotope separation. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/5114527.

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Crouch, Rebecca, Jared Smith, Bobbi Stromer, Christian Hubley, Samuel Beal, Guilherme Lotufo, Afrachanna Butler, et al. Preparative, extraction, and analytical methods for simultaneous determination of legacy and insensitive munition (IM) constituents in aqueous, soil or sediment, and tissue matrices. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41480.

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Abstract:
No standard method exists for determining levels of insensitive munition (IM) compounds in environmental matrices. This project resulted in new methods of extraction, analytical separation and quantitation of 17 legacy and 7 IM compounds, daughter products of IM, and other munition compounds absent from USEPA Method 8330B. Extraction methods were developed for aqueous (direct-injection and solid-phase extraction [SPE]), soil, sediment, and tissue samples using laboratory-spiked samples. Aqueous methods were tested on 5 water sources, with 23 of 24 compounds recovered within DoD QSM Ver5.2 limits. New solvent extraction (SE) methods enabled recovery of all 24 compounds from 6 soils within QSM limits, and a majority of the 24 compounds were recovered at acceptable levels from 4 tissues types. A modified chromatographic treatment method removed analytical interferences from tissue extracts. Two orthogonal high-performance liquid chromatography-ultraviolet (HPLC-UV) separation methods, along with an HPLC–mass spectrometric (HPLC-MS) method, were developed. Implementing these new methods should reduce labor and supply costs by approximately 50%, requiring a single extraction and sample preparation, and 2 analyses rather than 4. These new methods will support environmental monitoring of IM and facilitate execution of risk-related studies to determine long-term effects of IM compounds.
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